Module 9 - Linear Regression Lab (quiz 6)

  • Due Feb 23, 2021 at 11:59pm
  • Points 10
  • Questions 4
  • Available Feb 11, 2021 at 12am - Feb 23, 2021 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.

Below is the StatCrunch results -- Scatterplot and Simple Linear Regression Results.

Use the information provided to answer the remaining questions.

General answer comments
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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