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Statistics Mock Tests

114 questions available

Statistics Mock Test 1

Questions: 30

Statistics Mock Test 2

Questions: 30

Statistics Mock Test 3

Questions: 30

Statistics Mock Test 4

Questions: 24

नमूना प्रश्न

Class 11 Mathematics
The mean deviation about the mean for observations 2, 4, 6, 8, 10 is:
A 2.4
B 3.2
C 1.6
D 4.0
Class 9 Mathematics
The mode of the data: 2, 3, 3, 5, 7, 3, 8 is:
A 2
B 3
C 5
D 7
Class 10 Mathematics
The mean of the following data is 25. Find the value of k: x: 15, 25, 35; f: 3, k, 3
A 4
B 5
C 6
D 8
AEEE Mathematics
The mean of 4, 8, 12, 16, 20 is:
A 12
B 10
C 14
D 16
SAT SAT Math
A data set has values: 3, 5, 7, 9, 11. What is the mean?
A 5
B 7
C 9
D 11
JEE Main Mathematics
The variance of the first n natural numbers is:
A (n² - 1)/12
B (n² + 1)/12
C n(n+1)/2
D (n - 1)/12
Class 9 Mathematics
If the mean of 10, 15, 20, x, 30 is 20, then the value of x is:
A 25
B 20
C 30
D 15
Class 11 Mathematics
The variance of the first n natural numbers 1, 2, 3, …, n is given by:
A (n² − 1)/12
B n(n + 1)/12
C (n + 1)²/12
D n²/12

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