The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. A random sample of 12 equal-sized stores is selected, with the following results a. Construct a scatter plot b. Calculate the Pearson Correlation Coefficient r. Explain your answer. c. At 5% significance level, is there evidence of a linear relationship between shelf space and sales? (use t-test for correlation coefficient)
The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. A random sample of 12 equal-sized stores is selected, with the following results a. Construct a scatter plot b. Calculate the Pearson Correlation Coefficient r. Explain your answer. c. At 5% significance level, is there evidence of a linear relationship between shelf space and sales? (use t-test for correlation coefficient)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.2: Exponential Functions
Problem 60E
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The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. A random sample of 12 equal-sized stores is selected, with the following results
a. Construct a scatter plot
b. Calculate the Pearson Correlation Coefficient r. Explain your answer.
c. At 5% significance level, is there evidence of a linear relationship between shelf space and sales? (use t-test for correlation coefficient)
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