Statistics

$20$20 people were asked how many hours of sleep they had gotten the previous night. The numbers below are each person’s response:

$1,6,9,8,7,9,7,10,2,3,8,7,7,3,7,3,3,7,10,9$1,6,9,8,7,9,7,10,2,3,8,7,7,3,7,3,3,7,10,9

a

How many people got $7$7 hours sleep?

$\editable{}$

b

What is the maximum amount of sleep reported by the group?

$\editable{}$

Easy

Less than a minute

Sign up to try all questions