The following numbers represent the ages in a class of 15 students.
Student | Age |
---|---|
1 | 35 |
2 | 29 |
3 | 19 |
4 | 30 |
5 | 22 |
6 | 44 |
7 | 42 |
8 | 22 |
9 | 29 |
10 | 29 |
11 | 44 |
12 | 43 |
13 | 28 |
14 | 33 |
15 | 28 |
Use a random number generator (such as Random.org) to select a sample of size 5 from the class. Type in the 5 ages from your sample:
You MUST input your sample before moving on.
Compute the mean age of the students in your sample:
Compute the standard deviation for the ages in your sample and round to two decimal places: