Examinethedatasetbelowandanswer thequestionsthatfollow:

Age	Frequency
10-12	10
13-15	7
15-17	12
18-20	8
21-24	4

1. Represent the data using a histogram

Find the

1. Mean

1. Median

1. Mode

Question2:

The following data is presented to you for analysis

86, 13, 60, 55, 61, 97, 30, 98, 79, 52, 18

Determinethe:

1. Mean

1. Median

1. Themode

1. Which measure of central tendency best describes the data? Give reasons for your answer

Question 3:

Calculatethepopulationstandard deviationfortheinformationbelow:

12, 20,11,6,8,13,5,7,14,

Question4:

Thefollowing table givesthetime andcalories burned by 5 friends during their workout:

Name	Time (mins)	Calories
Timmy	180	81
Candy	166	75
Stewart	145	62
David	155	64
Rory	160	59

1. From the information below, determine the Pearson correlation coefficient.Correctto3decimalplaces.

1. Interpretthe data using thecoefficientofdetermination (r2).

.