wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If mean and standard deviation of 5 observations x1,x2,x3,x4,x5 are 10 and 3, respectively, then the variance of 6 observations x1,x2,,x5 and 50 is equal to :

A
507.5
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
582.5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
509.5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
586.5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Join BYJU'S Learning Program
CrossIcon