Question

The data set represents baseball cleat sizes for a baseball team.

9.5, 9, 10, 12, 8, 11, 10, 9, 10.5, 11.5, 7, 12.5

What is the mean baseball cleat size?



Responses

5.5
5.5

10
10

12
12

9 and 10

Answer 1

To find the mean baseball cleat size, you need to add all the sizes together and then divide by the number of sizes.

Let's calculate it:

1. Add all the cleat sizes:
\(9.5 + 9 + 10 + 12 + 8 + 11 + 10 + 9 + 10.5 + 11.5 + 7 + 12.5\)

= \(9.5 + 9 + 10 + 12 + 8 + 11 + 10 + 9 + 10.5 + 11.5 + 7 + 12.5\)

= \(100\)

2. Count the number of sizes:
There are 12 sizes.

3. Calculate the mean:
\(\text{Mean} = \frac{\text{Total}}{\text{Number of sizes}} = \frac{100}{12} \approx 8.33\)

The mean baseball cleat size is approximately 8.33. None of the provided responses (5.5, 10, 12, 9 and 10) are correct based on this calculation.