1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

140. Given that total of 16 values is 528 and sum of the squares of deviation from 33 is 9158. The variance is

A
562.73
B
570.375
C
574.375
D
572.375
2
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+2
-0

Following data shows the information about marks obtained in Physics, Chemistry, Mathematics and Biology by 100 students in a class. Then subject shows the highest variability in marks

Physics Chemistry Mathematics Biology
Mean 20 25 23 27
S.D. 3 2 4 5

A
Mathematics
B
Chemistry
C
Biology
D
Physics
3
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

If the variance of the data 2, 4, 5, 6, 8, 17 is 23.33, then the variance of 4, 8, 10, 12, 16, 34 will be

A
93.32
B
25.33
C
23.23
D
48.66
4
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+2
-0

The mean of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2 and 6, then the other two are

A
2 and 9
B
3 and 8
C
4 and 7
D
5 and 6
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