The data relating to these variables for the 20 participants is as follows:
Exercise Type
running only
running only
running only
running only
combination of exercise
running only
combination of exerci
1. Calculate data for a sixth variable, Improvement, by subtracting the value for the Pre Time
variable from the value of the Post Time variable for each participant. Then use this data to
complete th
a. Which, if any, values are outliers for the
Post Time variable?
1. For the Pre Time and Post Time variables:
[6 marks]
a. Determine the standard deviation of both variables for this population, roun
Use the information provided on the previous page to complete the following tasks (show working
where you can, as in some cases this may allow you to obtain partial marks for incorrect solutions):
1.
1. Calculate data for a sixth variable, Improvement, by subtracting the value for the Pre Time
variable from the value of the Post Time variable for each participant. Then use this data to
complete th
1. Display the data for the Gender variable in a column graph, and state what percentage of
participants were male
[3 marks]
2. Display the data for the Weight variable in a frequency distribution tab
1
Calculate data for a sixth variable, Improvement, by subtracting the value for the Pre Time
variable from the value of the Post Time variable for each participant. Then use this data to
complete the
1. The following is a box plot for the Post Time variable, which you should use to answer the
questions below:
[4 marks]
a. What is the median of the Post Time variable?
b. What are the upper and lowe
1. Calculate data for a sixth variable, Improvement, by subtracting the value for the Pre Time
variable from the value of the Post Time variable for each participant. Then use this data to
complete th