Question

In: Statistics and Probability

The owner of Gino’s Pizza restaurant chain believes that if a restaurant is located near a...

The owner of Gino’s Pizza restaurant chain believes that if a restaurant is located near a college campus, then there is a linear relationship between sales and the size of the student population. Suppose data are collected from a sample of n = 10 Gino’s Pizza restaurants located near college campuses with the following reported sample statistics:

X= Population (1000s)

Y = Sales ($1000s)

Sample Mean

14

130

Sample Standard Deviation

7.944

41.806

Sample Variance

63.111

1747.778

Sample Covariance

315.556

We want to find the equation of the least-squares regression line predicting quarterly pizza sales (y) from student population (x).

  1. Compute the Regression Sum of Squares (SSR)
  1. Compute the Error Sum of Squares (SSE)
  1. Complete the ANOVA Table for Regression

Source of Variation

SS

df

MS

F

Regression

Error

TOTAL
  1. What is the standard error for the slope estimate?

Solutions

Expert Solution

orchestra answered 3 years ago
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