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    TATA Steels Limited

    Sales Forecast ReportProduct : Charge Chrome

    Submitted To: Submitted by:

    Mrs. Asmita Chitnis Ashamdeep Singh Cheema ###

    Harshleen Kaur Sawhne ###

    Vishal Singla ###Abhisake Sharma ###

    Arpit Sihra ###

    Bidrupa Sinha ###

    Sonam ###

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    Main Data Sheet : Data of Charge Chrome (A product of TATA steels) ta

    S No. Quarter Unit Expressi Quarterly Sales (Rs. CroProduct Percentage

    1 Mar-03 Tata Steel Ltd. 3113.6 Charge Chrom 2.142 Jun-03 Tata Steel Ltd. 3146.2 Charge Chrom 2.26

    3 Sep-03 Tata Steel Ltd. 2941.5 Charge Chrom 2.26

    4 Dec-03 Tata Steel Ltd. 2632.03 Charge Chrom 2.26

    5 Mar-04 Tata Steel Ltd. 3200.27 Charge Chrom 2.26

    6 Jun-04 Tata Steel Ltd. 3164.65 Charge Chrom 2.78

    7 Sep-04 Tata Steel Ltd. 3738.36 Charge Chrom 2.78

    8 Dec-04 Tata Steel Ltd. 3731.29 Charge Chrom 2.78

    9 Mar-05 Tata Steel Ltd. 3864.65 Charge Chrom 2.78

    10 Jun-05 Tata Steel Ltd. 3557.06 Charge Chrom 3.21

    11 Sep-05 Tata Steel Ltd. 3884.42 Charge Chrom 3.21

    12 Dec-05 Tata Steel Ltd. 3698 Charge Chrom 3.21

    13 Mar-06 Tata Steel Ltd. 4100.53 Charge Chrom 3.2114 Jun-06 Tata Steel Ltd. 3899.45 Charge Chrom 2.98

    15 Sep-06 Tata Steel Ltd. 4202.28 Charge Chrom 2.98

    16 Dec-06 Tata Steel Ltd. 4469.46 Charge Chrom 2.98

    17 Mar-07 Tata Steel Ltd. 4980.44 Charge Chrom 2.98

    18 Jun-07 Tata Steel Ltd. 4197.58 Charge Chrom 3.02

    19 Sep-07 Tata Steel Ltd. 4785.9 Charge Chrom 3.02

    20 Dec-07 Tata Steel Ltd. 4973.92 Charge Chrom 3.02

    21 Mar-08 Tata Steel Ltd. 5733.63 Charge Chrom 3.02

    22 Jun-08 Tata Steel Ltd. 6152.92 Charge Chrom 4.41

    23 Sep-08 Tata Steel Ltd. 6813.45 Charge Chrom 4.41

    24 Dec-08 Tata Steel Ltd. 4810.4 Charge Chrom 4.41

    25 Mar-09 Tata Steel Ltd. 6539 Charge Chrom 4.4126 Jun-09 Tata Steel Ltd. 5615.55 Charge Chrom 4.66

    27 Sep-09 Tata Steel Ltd. 5692.11 Charge Chrom 4.66

    28 Dec-09 Tata Steel Ltd. 6374.88 Charge Chrom 4.66

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    ken from Prowess

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    Quarterly Sale ofProduct ChargeChrome(Rs. Crore)

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    Quarter X XY Y-Yt

    Mar-03 0 66.63 0 0 37.07 29.56 873.73

    Jun-03 1 71.10 71.10 1 45.55 25.55 653.06

    Sep-03 2 66.48 132.96 4 54.03 12.45 155.04

    Dec-03 3 59.48 178.45 9 62.5 -3.02 9.12

    Mar-04 4 72.33 289.30 16 70.98 1.35 1.81

    Jun-04 5 87.98 439.89 25 79.46 8.52 72.59Sep-04 6 103.93 623.56 36 87.93 15.99 255.75

    Dec-04 7 103.73 726.11 49 96.41 7.32 53.56

    Mar-05 8 107.44 859.50 64 104.89 2.55 6.5

    Jun-05 9 114.18 1027.63 81 113.37 0.82 0.67

    Sep-05 10 124.69 1246.90 100 121.84 2.85 8.11

    Dec-05 11 118.71 1305.76 121 130.32 -11.61 134.88

    Mar-06 12 131.63 1579.52 144 138.8 -7.17 51.4

    Jun-06 13 116.20 1510.65 169 147.27 -31.07 965.34

    Sep-06 14 125.23 1753.19 196 155.75 -30.52 931.63

    Dec-06 15 133.19 1997.85 225 164.23 -31.04 963.34

    Mar-07 16 148.42 2374.67 256 172.7 -24.29 589.88

    Jun-07 17 126.77 2155.04 289 181.18 -54.41 2960.97Sep-07 18 144.53 2601.62 324 189.66 -45.12 2036.22

    Dec-07 19 150.21 2854.04 361 198.14 -47.92 2296.65

    Mar-08 20 173.16 3463.11 400 206.61 -33.46 1119.38

    Jun-08 21 271.34 5698.22 441 215.09 56.25 3164.51

    Sep-08 22 300.47 6610.41 484 223.57 76.91 5914.58

    Dec-08 23 212.14 4879.19 529 232.04 -19.91 396.22

    Mar-09 24 288.37 6920.88 576 240.52 47.85 2289.53

    Jun-09 25 261.68 6542.12 625 249 12.69 160.95

    Sep-09 26 265.25 6896.56 676 257.47 7.78 60.49

    Dec-09 27 297.07 8020.87 729 265.95 31.12 968.29

    378 4242.3 72759.1 6930 4242.34 27094.19MSE 967.65

    Quarterly Sale ofProduct Charge

    Chrome(Rs. Crore)X 2 Yt (Y-Yt)

    2

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    0.00

    50.00

    100.00

    150.00

    200.00

    250.00

    300.00

    350.00

    Tren Ana ys s

    Actual Value TrendCalculatedValue

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    13.5

    72759.1

    151.5

    6930

    b 8.48

    a 37.07

    Forecasting

    Mar-10 28 274.43

    Jun-10 29 282.91

    Sep-10 30 291.38

    Dec-10 31 299.86

    X-=X/n

    XYY

    --

    X2

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    S No.Quarter

    1 Mar-03 ###

    2 Jun-03 ###

    263.7 65.92

    3 Sep-03 ### 66.64

    269.4 67.354 Dec-03 ### 69.46

    286.3 71.57

    5 Mar-04 ### 76.25

    323.7 80.93

    6 Jun-04 ### 86.46

    368.0 91.99

    7 Sep-04 ### 96.38

    403.1 100.77

    8 Dec-04 ### 104.04

    429.3 107.32

    9 Mar-05 ### 109.91

    450.0 112.5110 Jun-05 ### 114.38

    465.0 116.25

    11 Sep-05 ### 119.28

    489.2 122.30

    12 Dec-05 ### 122.55

    491.2 122.81

    13 Mar-06 ### 122.87

    491.8 122.94

    14 Jun-06 ### 124.75

    506.2 126.56

    15 Sep-06 ### 128.66

    523.0130.76

    16 Dec-06 ### 132.08

    533.6 133.40

    17 Mar-07 ### 135.81

    552.9 138.23

    18 Jun-07 ### 140.35

    569.9 142.48

    19 Sep-07 ### 145.57

    594.7 148.67

    20 Dec-07 ### 166.74

    739.2 184.81

    21 Mar-08 ### 204.30

    895.2223.80

    22 Jun-08 ### 231.54

    957.1 239.28

    23 Sep-08 ### 253.68

    1072.3 268.08

    24 Dec-08 ### 266.87

    1062.7 265.67

    25 Mar-09 ### 261.26

    1027.4 256.86

    26 Jun-09 ### 267.48

    1112.4 278.09

    Quarterly Sale ofCharge Chrome(Rs.

    Crore)

    4 Quarter MovingTotal

    4 Quarter MovingAverage

    4 Quarter centredMoving Average

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    27 Sep-09 ###

    28 Dec-09 ###

    29 Mar-10

    Year Quarter 1 Quarter 2 Quarter 3

    2003 1.00

    2004 1.05 0.98 0.93

    2005 1.02 1.00 0.96

    2006 0.93 1.07 1.03

    2007 0.92 1.11 1.01

    2008 1.18 0.85 0.84

    2009 0.91 1.02

    0.98 1.02 0.97

    Quarter Unadjusted Indice Adjusted Constant Seasonal Index

    Quarter 1 0.98 0.987 0.9686

    Quarter 2 1.02 0.987 1.0067

    Quarter 3 0.97 0.987 0.9606

    Quarter 4 1.08 0.987 1.0641

    S No. Quarter Seasonal Index Deseasonalised Dat

    1 Mar-03 ### 0.97 64.54

    2 Jun-03 ### 1.01 71.58

    3 Sep-03 ### 0.96 63.86

    4 Dec-03 ### 1.06 63.30 66.66

    5 Mar-04 ### 0.97 70.05 66.25

    6 Jun-04 ### 1.01 88.56 65.74

    7 Sep-04 ### 0.96 99.83 73.97

    8 Dec-04 ### 1.06 110.38 86.15

    9 Mar-05 ### 0.97 104.06 99.59

    10 Jun-05 ### 1.01 114.94 104.76

    11 Sep-05 ### 0.96 119.78 109.8012 Dec-05 ### 1.06 126.32 112.93

    13 Mar-06 ### 0.97 127.49 120.35

    14 Jun-06 ### 1.01 116.98 124.53

    15 Sep-06 ### 0.96 120.30 123.60

    16 Dec-06 ### 1.06 141.73 121.59

    17 Mar-07 ### 0.97 143.75 126.34

    18 Jun-07 ### 1.01 127.61 135.26

    19 Sep-07 ### 0.96 138.84 137.70

    20 Dec-07 ### 1.06 159.85 136.74

    21 Mar-08 ### 0.97 167.72 142.10

    Average OfRemaining(Modified

    Mean)

    Quarterly Sale of

    Charge Chrome(Rs.Crore)

    3 Quarter Moving

    Average

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    22 Jun-08 ### 1.01 273.15 155.47

    23 Sep-08 ### 0.96 288.64 200.24

    24 Dec-08 ### 1.06 225.74 243.17

    25 Mar-09 ### 0.97 279.31 262.51

    26 Jun-09 ### 1.01 263.43 264.56

    27 Sep-09 ### 0.96 254.81 256.16

    28 Dec-09 ### 1.06 316.12 265.85

    29 Mar-10 278.12

    MSE

    Forecasted sales With Seasonal Variation

    Quarter 4 Qtr Moving Avg.Mar-10 278.12 278.42 286.90

    Jun-10 289.05 289.36 298.18

    Sep-10 275.83 276.13 284.54

    Dec-10 305.55 305.88 315.20

    3 Qtr. Moving 3 Qtr Wt. moving

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    1.00

    1.17

    1.05

    0.98

    0.93

    1.00

    1.02

    1.00

    0.96

    1.03

    0.93

    1.07

    1.03

    0.99

    0.92

    1.11

    1.01

    1.11

    1.18

    0.85

    0.84

    1.26

    0.91

    1.02

    %age of actualto moving

    average values

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    Quarter 4

    1.17

    1.00

    1.03

    0.99

    1.11

    1.26

    1.08 4.05

    -3.36 11.29 66.55

    3.81 14.50 65.82 4.24 17.94 64.87

    22.83 521.03 67.20 21.37 456.51 66.77

    25.86 668.80 71.44 28.39 805.95 78.18

    24.23 587.19 80.44 29.94 896.70 91.11

    4.47 19.97 92.21 11.85 140.51 103.23

    10.18 103.70 100.71 14.23 202.56 105.46

    9.98 99.67 107.31 12.47 155.60 110.5613.39 179.32 112.29 14.03 196.76 115.55

    7.15 51.05 116.28 11.22 125.81 122.24

    -7.55 57.03 122.13 -5.16 26.57 125.82

    -3.30 10.89 122.64 -2.35 5.50 122.04

    20.14 405.75 122.77 18.96 359.51 120.39

    17.42 303.44 126.62 17.13 293.44 130.46

    -7.65 58.51 130.69 -3.08 9.48 139.17

    1.14 1.30 133.35 5.49 30.18 135.35

    23.11 534.07 137.99 21.86 477.90 135.92

    25.62 656.19 142.51 25.20 635.17 147.47

    Variation from 3 Q

    Moving AverageStandard 2 Error

    4 Quarter

    Moving Average

    Variation from 4

    Q MovingAverageStandard 2 Error

    3 Quarters

    Weighted movingaverage

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    117.68 13849.59 148.50 124.65 15537.20 160.28

    88.40 7814.75 184.89 103.75 10764.10 219.12

    -17.43 303.64 222.34 3.41 11.60 263.32

    16.80 282.21 238.81 40.50 1640.10 254.61

    -1.14 1.29 266.71 -3.28 10.78 263.01

    -1.36 1.84 264.28 -9.48 89.78 262.44

    50.27 2527.39 255.82 60.30 3636.00 261.76

    278.42 286.90

    1162.58 1521.90

    4 Qtr Wt. Avg.283.51

    294.65

    281.17

    311.47

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    -3.25 10.54

    5.19 26.92 65.25 4.81 23.11

    21.79 474.97 66.94 21.62 467.54

    21.65 468.74 75.49 24.35 592.73

    19.27 371.29 86.84 23.54 554.10

    0.83 0.69 98.82 5.24 27.47

    9.48 89.84 103.56 11.38 129.50

    9.22 85.07 109.26 10.52 110.7410.77 116.02 114.25 12.07 145.77

    5.25 27.55 119.86 7.64 58.31

    -8.84 78.10 124.34 -7.36 54.24

    -1.74 3.04 122.28 -1.98 3.94

    21.34 455.50 121.34 20.39 415.74

    13.29 176.72 128.93 14.83 219.88

    -11.56 133.61 135.78 -8.17 66.69

    3.50 12.22 134.55 4.29 18.44

    23.93 572.59 136.74 23.10 533.69

    20.24 409.81 145.49 22.23 494.05

    Variationfrom 3 Q Wt.

    MovingAverage Standard 2 Error

    4 Quarter

    WeightedAverage

    Variationfrom 4 Q

    Wt. MovingAverage Standard 2 Error

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    112.87 12740.07 155.57 117.58 13825.64

    69.52 4832.58 205.43 83.21 6923.92

    -37.58 1412.20 246.93 -21.19 448.82

    24.70 610.12 248.29 31.02 962.22

    0.42 0.18 264.49 -1.06 1.13

    -7.64 58.32 263.18 -8.37 70.09

    54.36 2954.72 259.39 56.73 3218.76

    283.51

    1044.86 1223.60

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    = 0.2

    S No. Quarter

    1 Mar-03 66.63 68.86 -2.23 4.97 68.86

    2 Jun-03 71.10 68.41 2.69 7.24 67.75

    3 Sep-03 66.48 68.95 -2.47 6.12 69.424 Dec-03 59.48 68.46 -8.97 80.52 67.95

    5 Mar-04 72.33 66.66 5.66 32.07 63.72

    6 Jun-04 87.98 67.80 20.18 407.31 68.02

    7 Sep-04 103.93 71.83 32.09 1030.07 78.00

    8 Dec-04 103.73 78.25 25.48 649.19 90.96

    9 Mar-05 107.44 83.35 24.09 580.37 97.35

    10 Jun-05 114.18 88.16 26.02 676.88 102.39

    11 Sep-05 124.69 93.37 31.32 981.06 108.29

    12 Dec-05 118.71 99.63 19.07 363.79 116.49

    13 Mar-06 131.63 103.45 28.18 794.11 117.60

    14 Jun-06 116.20 109.08 7.12 50.70 124.61

    15 Sep-06 125.23 110.51 14.72 216.70 120.4116 Dec-06 133.19 113.45 19.74 389.61 122.82

    17 Mar-07 148.42 117.40 31.02 962.12 128.00

    18 Jun-07 126.77 123.60 3.16 10.01 138.21

    19 Sep-07 144.53 124.24 20.30 412.04 132.49

    20 Dec-07 150.21 128.30 21.92 480.36 138.51

    21 Mar-08 173.16 132.68 40.48 1638.38 144.36

    22 Jun-08 271.34 140.77 130.57 17048.45 158.76

    23 Sep-08 300.47 166.89 133.59 17844.99 215.05

    24 Dec-08 212.14 193.61 18.53 343.49 257.76

    25 Mar-09 288.37 197.31 91.06 8291.59 234.95

    26 Jun-09 261.68 215.52 46.16 2130.86 261.66

    27 Sep-09 265.25 224.76 40.50 1639.98 261.6728 Dec-09 297.07 232.85 64.21 4123.49 263.46

    29 Mar-10 245.70 280.27

    Sum Of Errors 884.19 61196.48

    Mean Of Errors 31.58 2185.59

    Quarterly Sale ofProduct ChargeChrome(Rs. Crore)

    ForecastedSales (= 0.2)

    ForecastError(ActualSales-ForecastedSales)

    Standard 2

    ErrorForecastedSales (= 0.5)

    250.00

    300.00

    350.00

    Exponential Smoothening

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    0.00

    50.00

    100.00

    150.00

    200.00

    Quarterly Sale of ProductCharge Chrome(Rs. Crore)

    Forecasted Sales (= 0.2) Forecaste

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    = 0.5 = 0.8

    -2.23 4.97 68.86 -2.23 4.97

    3.36 11.28 67.08 4.03 16.22

    -2.95 8.68 70.30 -3.82 14.60-8.47 71.70 67.24 -7.76 60.19

    8.61 74.11 61.04 11.29 127.48

    19.96 398.22 70.07 17.91 320.74

    25.93 672.20 84.40 19.53 381.46

    12.77 162.99 100.02 3.71 13.76

    10.09 101.83 102.99 4.45 19.80

    11.79 139.00 106.55 7.63 58.28

    16.40 269.06 112.65 12.04 144.84

    2.22 4.92 122.28 -3.58 12.80

    14.03 196.84 119.42 12.21 148.98

    -8.41 70.70 129.19 -12.98 168.54

    4.82 23.23 118.80 6.43 41.3210.37 107.58 123.94 9.25 85.52

    20.41 416.70 131.34 17.08 291.61

    -11.44 130.96 145.00 -18.23 332.51

    12.05 145.09 130.41 14.12 199.38

    11.70 136.91 141.71 8.50 72.29

    28.79 829.08 148.51 24.64 607.31

    112.59 12675.38 168.23 103.12 10633.09

    85.42 7296.90 250.72 49.75 2475.34

    -45.62 2081.51 290.52 -78.38 6144.04

    53.42 2853.64 227.82 60.55 3666.84

    0.02 0.00 276.26 -14.57 212.41

    3.58 12.82 264.60 0.65 0.4333.61 1129.43 265.12 31.95 1020.65

    290.68

    422.81 30025.73 277.27 27275.40

    15.10 1072.35 9.90 974.12

    ForecastError(ActualSales-ForecastedSales)

    Standard 2

    ErrorForecastedSales (= 0.8)

    ForecastError(ActualSales-ForecastedSales)

    Standard 2

    Error

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    d Sales (= 0.5) Forecasted Sales (= 0.8)

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    S No. Quarter Forecast Error Squared Error

    1 Mar-03 ##

    2 Jun-03 ##

    3 Sep-03 ##

    4 Dec-03 ## 68.07 -8.59 73.74

    5 Mar-04 ## 65.69 6.64 44.066 Jun-04 ## 66.10 21.88 478.79

    7 Sep-04 ## 73.26 30.66 940.28

    8 Dec-04 ## 88.08 15.65 245.02

    9 Mar-05 ## 98.54 8.89 79.08

    10 Jun-05 ## 105.03 9.15 83.73

    11 Sep-05 ## 108.45 16.24 263.75

    12 Dec-05 ## 115.44 3.27 10.69

    13 Mar-06 ## 119.19 12.43 154.62

    14 Jun-06 ## 125.01 -8.80 77.51

    15 Sep-06 ## 122.18 3.05 9.30

    16 Dec-06 ## 124.35 8.84 78.09

    17 Mar-07 ## 124.87 23.54 554.2918 Jun-07 ## 135.61 -8.84 78.23

    19 Sep-07 ## 136.12 8.41 70.72

    20 Dec-07 ## 139.91 10.31 106.22

    21 Mar-08 ## 140.50 32.65 1066.10

    22 Jun-08 ## 155.97 115.38 13311.71

    23 Sep-08 ## 198.24 102.24 10452.18

    24 Dec-08 ## 248.32 -36.19 1309.39

    25 Mar-09 ## 261.32 27.05 731.78

    26 Jun-09 ## 266.99 -5.31 28.19

    27 Sep-09 ## 254.06 11.19 125.17

    28 Dec-09 ## 271.77 25.30 640.11

    29 Mar-10 274.67

    MSE 1240.51

    Quarterly Sale ofCharge

    Chrome(Rs. Crore)3 Quarter MovingAverage

    0.0

    50.0

    100.0

    150.0

    200.0

    250.0

    300.0

    350.0

    Actual V/S 3 Quarter Weighted Moving Averag

    Actual Sales Forecasted Sales

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    0.0

    50.0

    100.0

    150.0

    200.0

    250.0

    300.0

    350.0

    Actual V/S 4 Quarter Weighted Moving Averag

    Actual Sales Forecasted Sales

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    Forecast Error Squared Error Forecast Error

    68.05 -8.56

    65.92 6.40 40.98 63.75 8.5767.35 20.63 425.57 67.07 20.91

    71.57 32.36 1047.18 78.01 25.92

    80.93 22.80 519.91 93.34 10.39

    91.99 15.45 238.62 101.17 6.27

    100.77 13.41 179.93 105.62 8.57

    107.32 17.37 301.75 110.19 14.50

    112.51 6.20 38.39 118.31 0.39

    116.25 15.37 236.34 119.95 11.68

    122.30 -6.10 37.18 126.16 -9.96

    122.81 2.42 5.86 121.76 3.47

    122.94 10.25 105.04 123.29 9.90

    126.56 21.85 477.64 127.70 20.71130.76 -3.99 15.94 139.48 -12.71

    133.40 11.13 123.96 135.05 9.48

    138.23 11.99 143.65 139.26 10.95

    142.48 30.67 940.83 144.41 28.74

    148.67 122.68 15049.52 160.74 110.61

    184.81 115.66 13377.62 218.43 82.05

    223.80 -11.66 135.90 269.54 -57.41

    239.28 49.09 2410.03 251.45 36.92

    268.08 -6.40 40.92 264.98 -3.29

    265.67 -0.41 0.17 262.32 2.93

    256.86 40.21 1616.69 267.92 29.15

    278.09 280.57

    1562.90

    4 Quarter MovingAverage

    3 QuartersWeighted movingaverage

    e

    200.0

    250.0

    300.0

    350.0

    Actual

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    0.0

    50.0

    100.0

    150.0

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    Squared Error

    73.30

    73.52 64.62 7.71 59.37437.09 67.18 20.80 432.46

    671.59 75.43 28.49 811.86

    107.88 88.38 15.35 235.70

    39.28 97.50 9.94 98.79

    73.36 103.68 10.50 110.35

    210.20 109.04 15.65 244.84

    0.16 115.99 2.71 7.37

    136.44 118.47 13.16 173.12

    99.20 124.62 -8.42 70.81

    12.01 122.18 3.05 9.29

    98.08 123.15 10.04 100.84

    429.00 127.25 21.17 448.14161.53 135.99 -9.22 85.06

    89.87 134.39 10.14 102.85

    119.98 138.85 11.37 129.19

    826.19 143.64 29.52 871.15

    12233.72 155.91 115.43 13325.07

    6731.76 204.98 95.49 9118.92

    3295.35 251.24 -39.11 1529.29

    1363.01 246.58 41.79 1746.25

    10.84 266.22 -4.53 20.56

    8.59 263.66 1.59 2.54

    849.92 263.49 33.58 1127.30

    279.58

    1126.07 1285.88

    4 Quarter WeightedAverage

    ForecastError

    SquaredError

    0.0

    50.0

    100.0

    150.0

    200.0

    250.0

    300.0

    350.0

    Ac

    0.0

    50.0

    100.0

    150.0

    200.0

    250.0

    300.0

    350.0

    Ac

    Ac

    /S Forecasted sales

  • 8/14/2019 TATA Steels Sales Forecast

    27/29

    Quarterly Sale of Charge Chrome(Rs.Crore)

    3 Quarter Moving Average 4 Quarter

    3 Quarters Weighted moving average 4 Quarter Weighted Average

  • 8/14/2019 TATA Steels Sales Forecast

    28/29

    ual V/S 3 Quarter Moving Average

    Actual Sales 3 Quarter MovingAverage

    ual V/S 4 Quarter Movi

    tual Sales 4 QuarterMovingAverage

  • 8/14/2019 TATA Steels Sales Forecast

    29/29

    Moving Average