Wednesday 29 May 2024

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 Days10131510462

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 Days10131510462

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
Score10131510462

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
Score10131510462

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)
A22003300
B87210100
C12601590
D7491080

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 (₹)
A4064
B32712
C211116
C1354
C1526



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