Question

Data were collected on a sample of 500 business students and the mean number of course credits taken was 18. How many course credits did the total sample take collectively?

Answer 1

Collectively, the total sample took 9000 course credits.

Explanation:

The mean number of course credits taken is the total number of credits which the sample took collectively divided by the size of sample. Mathematically

`M = (T)/(N)`

In which

M is the mean number of course credits taken

T is the total number of course credits taken

N is the size of the sample.

In this problem, we have that:

`M = 18, N = 500`

We have to find T. So

`M = (T)/(N)`

`18 = (T)/(500)`

`T = 500*18`

`T = 9000`

Collectively, the total sample took 9000 course credits.