7. A restaurant owner wants to see if there is a relationship between the amount of sugar in some food items on her menu and how popular the items are. She creates a scatter plot to show the relationship between amount of sugar in menu items and the number of orders for those items. The correlation coefficient for the line of best fit is 0.58. a. Are the two variables correlated? Explain your reasoning. b. Does either of the variables cause the other to change? Explain your reasoning.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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7. A restaurant owner wants to see if there is a relationship between the amount of
sugar in some food items on her menu and how popular the items are.
She creates a scatter plot to show the relationship between amount of sugar in menu
items and the number of orders for those items. The correlation coefficient for the
line of best fit is 0.58.
a. Are the two variables correlated? Explain your reasoning.
b. Does either of the variables cause the other to change? Explain your reasoning.
Transcribed Image Text:7. A restaurant owner wants to see if there is a relationship between the amount of sugar in some food items on her menu and how popular the items are. She creates a scatter plot to show the relationship between amount of sugar in menu items and the number of orders for those items. The correlation coefficient for the line of best fit is 0.58. a. Are the two variables correlated? Explain your reasoning. b. Does either of the variables cause the other to change? Explain your reasoning.
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