Question

4.
What is the mean of a set of data?

The largest value of the data.

The difference in the largest value from the smallest value.

The middle number.

The average of the data.
5.
Calculate the median of: 4.6, 3, 8.1, 9, 12, 3, 9, 3.5, 7, 3.

9

6.22

5.8

3
6.
Generate a frequency table for the following data: 3, 12, 25, 2, 3, 6, 17, 17, 15, 13, 20, 12, 21, 18, 19.
Use the ranges listed in the table:

Range Number of Values
1 – 5
6 – 10
11 – 15
16 – 20
21 – 25


What value should be placed in the second column for the range 1 – 5?

3

4

5

6

Answer 1

4. The average of the data.

5. 5.8

6. 3