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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 |
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