Answer:
sample mean = 12
Explanation:
To find the mean of a sample of items, we can use the following formula:
.
In this question, we are given the following items: 16, 17, 5, 6, and 16.
• sum of items = 16 + 17 + 5 + 6 + 16
= 60
• number of items = 5
∴ mean =

= 12
Therefore, the sample mean is 12.