tata steels sales forecast
TRANSCRIPT
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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
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Quarterly Sale of Charge Chrome(Rs.Crore)
3 Quarter Moving Average 4 Quarter
3 Quarters Weighted moving average 4 Quarter Weighted Average
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ual V/S 3 Quarter Moving Average
Actual Sales 3 Quarter MovingAverage
ual V/S 4 Quarter Movi
tual Sales 4 QuarterMovingAverage
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Moving Average