What is the dependent variable we are interested in?

| August 31, 2017

Question
QUESTION 1

What is the dependent variable we are interested in?

[2 marks]

Describe what kind of variable the variable identified in part a. is.

[2 marks]

Select the three (3) categorical variables that you think will best help to understand variation in the variable identified in part a. Ensure that at least one of these variables has 3 or more categories. Explain why you have chosen these variables.

[12 marks]

Select the three (3) numerical variables that you think will best help to understand variation in the variable identified in part a. Explain why you have chosen these variables.

[12 marks]

Explain what issues, if any, exist with the observations in the dataset. If any issues were identified, explain how you dealt with them (eg. excluded the observation/used an average/median etc.)

[8 marks]

[Total marks: 36]

QUESTION 2

Construct a frequency distribution of the variable identified in Question 1a. Be careful not to use too many or too few classes.

[8 marks]

Plot the information in your frequency distribution in a fully-labelled histogram.

[8 marks]

Use appropriate numerical descriptive measures to further summarise/describe the variable identified in Question 1a.

[6 marks]

[Total marks: 22]

QUESTION 3

Use appropriate tables or graphs to help describe the three categorical variables you have chosen in Question 1c. Use only one table or graph for each variable.

[15 marks]

Use appropriate tables or graphs to help describe the three (3) numerical variables you have chosen in Question 1d. Use only one table or graph for each variable.

[15 marks]

[Total marks: 30]

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