Question

samantha is training for a half marathon. for the first 10 days, she records the miles she runs each day. 4, 7, 12, 12, 10, 8, 7, 10, 13, 13
find the mean by adding the data values and then dividing the sum by the number of values.
what is the mean number of miles?
mean = \frac{4 + 7+12 + 12+10 + 8+7 + 10+13 + 13}{10}
an error has occurred. please enter a number.

Explanation:

Step1: Calculate the sum

$4 + 7+12 + 12+10+8+7+10+13+13=100$

Step2: Divide by number of values

$\frac{100}{10}=10$

Answer:

10