Other

Question 1

*This type of pictorial presentation is often used to show a correlation between two variables what is it called? 1/2 mark

Answer 1

Frequency polygon

Question 2

*Comment on the direction and strength of the correlation depicted. 1 mark

Answer 2

0.8

Question 3

*The strength and direction of a correlation can be also be indicted numerically. Which of the following coefficients most closely represents the correlation seen in the scenario two’s pictorial representation? 1/2mark

Answer 3

0.8

Question 4

*What does the data indicate regarding the relationship between levels of exercise and blood pressure? 1 mark

Answer 4

That as exercise intensity increases so does your blood pressure