Bivariate Data Analysis Worksheet
Explore relationships between two variables with scatter plots, correlation, and lines of best fit.
Includes
Standards
Topics
Bivariate Data Analysis
Name:
Date:
Score:
Read each question carefully and provide your best answer. Show all your work for short answer questions.
1. Which type of correlation is depicted when as one variable increases, the other variable also increases?
Negative correlation
Positive correlation
No correlation
Curvilinear correlation
2. A teacher wants to see if there is a relationship between the number of hours students study for a test and their test scores. What type of graph would be most appropriate to display this data?
Bar graph
Histogram
Scatter plot
Pie chart
3. A relationship between two variables where a change in one variable causes a change in the other is called .
4. The line that best describes the trend in a scatter plot is known as the .
5. Describe the difference between correlation and causation. Provide an example for each.
6. The following data shows the number of hours spent exercising per week and the corresponding weight loss in pounds for 8 individuals:
Hours Exercising (x): [2, 3, 4, 5, 6, 7, 8, 9]
Weight Loss (y): [1, 2, 3, 4.5, 5, 6, 7.5, 8]
a) Plot the data on the scatter plot below.
b) Based on your scatter plot, describe the type and strength of the correlation between hours exercising and weight loss.