1
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
2
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
3
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
4
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+2
-0

For X ~ B(n, p), if p = 0.6, E(X) = 6, then Var(X) =

A
6.6
B
24
C
2.4
D
6
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12