Module 9 - Linear Regression Lab (quiz 6)

  • Due Sep 16, 2020 at 11:59pm
  • Points 10
  • Questions 4
  • Available Sep 2, 2020 at 12am - Sep 16, 2020 at 11:59pm
  • Time Limit None
  • Allowed Attempts 4

Instructions

On this quiz you will be using StatCrunch. Some questions require you to upload your StatCrunch results. These questions are not automatically graded; your instructor will enter the points for these questions later.

After you complete this activity, review your answers to the other questions and use the feedback to redo items that you missed. You have four attempts. Your highest grade is the only one that counts.

 

I have provided the Scatter Plot, regression line and the Simple Linear regression results.

Use the information provided to answer the last two questions

 

scatterplot with regression line

 

General answer comments

Simple linear regression results:

Dependent Variable: Time
Independent Variable: Year
Time = 994.19341 - 0.39304496 Year
Sample size: 24
R (correlation coefficient) = -0.89075356

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