Question

sanibel island is known for having one of north americas best beaches for collecting shells. an oceanographer wants to determine the average weight, in ounces, of shells found on the sanibel island beach. he randomly collects and weighs shells over several days. here are the data from the first days collection of shells: 5 6 15 15 7 12 9 11 14 8 what is the mean weight of the shells collected on the first day?
ounces

Explanation:

Step1: Sum all shell weights

$5 + 6 + 15 + 15 + 7 + 12 + 9 + 11 + 14 + 8 = 102$

Step2: Count total number of shells

There are 10 shells in the data set.

Step3: Calculate the mean

$\text{Mean} = \frac{\text{Total weight}}{\text{Number of shells}} = \frac{102}{10}$

Answer:

10.2 ounces