STATISTICS- For Class XII (Commerce Group) - Guess Paper 2024 - By Sir Sajjad Akber Chandio

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Statistics
Class XII (Commerce Group)
Guess Paper 2024

By Sir Sajjad Akber Chandio
Q.1: Find the mean, Mode, Medium, G.M, H.M, of electricity consumption (in kWh) of a shop for 60 days.

Electricity consumed	68-87	88-107	108-127	128-147	148-167	168-187	188-207
No. Of Days	10	13	15	10	4	6	2

Q.2: Find mean, median, mode, variance, range, G.M, H.M. Range, (mean deviation mean solve y= x-2

51, 55, 52, 54, 58, 60, 61, 62, 52, 57, 52, 64.

Q.3: find the G.M, H.M, relative frequency of electricity consumption (in kWh) of a shop for 60 days.

Electricity consumed	20-25	26-30	31-35	36-40	41-45	46-50	56-60
No. Of Days	10	13	15	10	4	6	2

Q.4: construct frequency distribution class 5.

1, 5, 8, 9, 6, 7, 4, 9, 8, 10, 11, 15, 48, 45, 47, 50, 33, 22, 25, 24, 30, 16, 28

Q.5: Construct Pie chart.

Name of players	A	B	C	D	E	F	G
Score	10	13	15	10	4	6	2

Q.6: Arrange the ways Permutation

“PAKISTAN” “KARACHI“ “STATISTICS” “ACCOUNTANT” “COMMERCE”

Q.7: Find Probability of two dices rolled:
a) sample size
b) Sum of odd number
c) sum of even number
Q.8: find probability of two toss:
a) sample size
b) at least one head
c) at least one tail
d) Both head and both tail
Q9: construct chain index base year 1990

Years	1990	1991	1992	1993	1994	1995	1996
Score	10	13	15	10	4	6	2

Q.10: Find the followings:
a) Paasche Price Index
b) Laspeyres Price Index
c) Fisher Price Index

	Base Year (1999)		Current Year (2008)
Commodity	Price (Rs)	Value (Total Expenditure)	Price (Rs)	Value (Total Expenditure)
A	2	200	3	300
B	8	72	10	100
C	12	60	15	90
D	7	49	10	80

Q.11: Class A has 15 students with mean marks of 60, and Class B has 12 students with mean marks of 48. Calculate the combined mean.
Q.12: Calculating Pearson’s median, Mean = 48.6, Median = 39 Standard deviation = 39.5
Q.13: Hypergeometric distribution N = 6, n = 2, K = 3 then mean.
Q.14: A bag contains 3 Red and 4 black balls 2 balls are drawn at random from the bag. What is probability that the balls are one of each color?
Q.15: Find mode when Mean = 48.6, Median = 39
Q.16: How many ways from a group of 12 men and 17 women a committee of 4 men and 2 women is to be selected.
Q.17: Give that events a and B are mutually exclusive events such that

P (A) = 0.3, P (B) = 0.6, find P (AUB)

Q.18: How many three digit numbers can made with 2, 3, 4, 5, 6, 0, 8 if digits are:
A) repeated
b) not repeated.
Q.19: Difference:
1) Discrete variable vs continuous variable
2) Qualitative vs Quantitative data
3) simple Index vs weighted index number
4) Primary vs Secondary data
Q.20: Definition:
1) statistics
2) Index Number
Q.21: Find weighted aggregate method

Commodity	Weights	Price in 2010 (₹)	Price in 2021 (₹)
A	40	6	4
B	32	7	12
C	21	11	16
C	13	5	4
C	15	2	6