Examining Relationships Checkpoint 1.docx - Examining...

Examining Relationships Checkpoint 1
Step 1 of 1
Question 1 of 5 Points: 10 out of 10
A store asked 250 of its customers to study the relationship between the amount spent on
groceries and income.
A meaningful display of the data from this study would be:
side-by-side boxplots
a pie chart
a histogram
a scatterplot
a two-way table
Good job! A scatterplot is the appropriate display for comparing two quantitative variables (in
other words, to display the relationship between a quantitative explanatory variable, in this case
"income," and a quantitative response variable, in this case "amount spent on groceries").
Question 2 of 5 Points: 0 out of 10
In order to study whether IQ level is related to gender, data were collected from a sample of 540.
The data collected in this study would best be displayed using:

a contingency table
This is not quite right. Remember that a pie chart is a display of a single variable. But in this
exercise, there were two