Question

Q 5. Find the Standard Deviation of 16,13,17,22.​

Answer 1

Answer:

Given numbers are 7,9,11,13,15

Mean of given numbers =

5

7+9+11+13+15

=11

Standard deviation=

5

∣7−11∣+∣9−11∣+∣11−11∣+∣13−11∣+∣15−11∣

=2.4

Answer 2

see the attachment

to understand :)