Question

Find the variance of: 2 4 5 6 7 9 10

Answer 1

Add 2 two time and add 1 three times then add 2 and then 1. Maybe

Answer 2

Answer:

s  =  7.811  ¯  6

Step-by-step explanation:

x =  2  + 4  +  5  +  6  +  7  +  9  +  10 /7

¯ x = 43 /7

s = ( 2 − 6.1 ) 2 + ( 4 − 6.1 ) 2 + ( 5 − 6.1 ) 2 + ( 6 − 6.1 ) 2 + (7 − 6.1 ) 2 + ( 9 − 6.1 ) 2 + ( 10 − 6.1 ) 2/ 7 − 1

s = 7.811 ¯ 6