Question

11. What is the standard deviation of 5,5,9,9,9, 10, 5, 10, 10?
A.
$\sqrt{14}$

(c) 4.50
(b)
$\sqrt{42 \} \div 3$

3
(d) 8​

Answer 1

Answer:

We have to find it standard deviation

so, first afall we have to add all the number=5+5+9+9+9+10+5+10+10=72÷the whole numbers =72÷9=8

answer is 8

5 stars plz

Answer 2

By averaging the number 5+5+9+9+9+10+5+10+10÷9=8

so,that (d).8 is correct answers