Adamjee Coaching CentreCampus 18 – Kharadar

XII- Commerce Statistics

Time Allowed: One Hour Marks: 25

Q1: Find the mean of the following values (02)2,3,1,-2,3,4,1,1,4,5,3,1,3

Q2: Find median and mode of the following values(06)(a) 3,2,4,5,3,2,2,4,6,7 (b) 1,2,3,1,1,2,3,4,2,4,5,6,8,1,9

Q3: In a data mean is 4 and median is 7 find mode.(02)Q4: Find Mean, Median and Mode of the following frequency distribution. (15)

Class Interval Frequency Midpoint CF<? ------------- ? 3 2.5 ?? ------------- ? ? 6.5 7? ------------- ? ? ? 13? ------------- ? 2 ? ?17 ------------- ? ? ? ?? ------------- ? 5 ? ?Σ 28

Prepared By:Muhammad Asad AliMBA (Finance), M.A (Economics), (C.A)

****** Best of Luck ******

Adamjee Coaching CentreCampus 18 – Kharadar

XI- Commerce Statistics

Time Allowed: One Hour Marks: 25

Q1: Choose the best answer.(i) The sum of 4x and 7x is __________(ii) The difference of 15x and 7x is _________(iii) 7x X 4x = _______(iv) 15x3 / 3x2 = _______(v) 7x3 + 3x = _______

Q2:(a) Find the equation of the straight line in general form which passes through the points (4,3) and (2,7)(b)Find the slope of the line passing through the points ( 2

3,73 )∧( 4

5,

72 )(c) Find distance between the points (11,6) and (14,10)

Q3: Expand the following(a) (7x+3y)2(b) (8x+2y)3

Prepared By:Muhammad Asad AliMBA (Finance), M.A (Economics), (C.A)

****** Best of Luck ******