Question

A dance club ordered shoes for all of its members. The shoe sizes are shown in the table.

Ten members of the dance club were selected for a special performance. The shoe sizes are shown in the table.

What is the sample mean for the data?



Enter your answer, as a decimal, in the box

Answer 1

The Answer is 7.7

Add all the Shoe size From the second Table

7+7+10+6+9+6+8+7.5+8.5+8=77

77 divide by the number of Shoe size

There are 10 shoe size So,

77/10=7.7

Hope this Help:)

Answer 2

7.7

Explanation:

The mean (or average) is the sum of the data points divided by the number of data points.

μ = (7 + 7 + 10 + 6 + 9 + 6 +8 + 7.5 + 8.5 + 8) / 10

μ = 77/10

μ = 7.7