Question 145
The standard deviation of n observations $$x_1, x_2, ..... .... ...., x_n$$ is 15. Then the standard deviation of the observations $$5x_1 - 11, 5x_2 - 11, ..........., 5x_n - 11$$ is
Create a FREE account and get:
- Download Maths Shortcuts PDF
- Get 300+ previous papers with solutions PDF
- 500+ Online Tests for Free
Book Free CAT Mentorship
Get personalized CAT strategy from a 99%iler
500+ students mentored
OTP Verification
Enter the 6-digit code sent to your phone
Booking Summary
Session:Free CAT Mentorship
Phone:
Date:
Time:
Enter OTP
Didn't receive the OTP?
