Question

To identify high-paying jobs for people that do not like stress, the following data were collected showing the average annual salary ($1000) and the stress tolerance for a variety of occupations (Business Insider, November 8, 2013).

The stress tolerance for each job is rated on a scale from 0 to 100, where a lower rating indicates less stress.

Click on the datafile logo to reference the data.

a. Select a scatter diagram for these data with average annual salary as the independent variable.

- Select your answer -Scatter diagram 1Scatter diagram 2Scatter diagram 3Item 1

What does the scatter diagram indicate about the relationship between the two variables?
- Select your answer -Positive linear relationship negative linear relationship item 2

b. Use these data to develop an estimated regression equation that can be used to predict stress tolerance given the average annual salary. Round your answers to four decimal places.

     Y= ________ -________x

Answer 1

Avg Annual Salary Vs sress tolerance 69 Avg Annual salary sress tolerance 81 96 62 67.5 71.3 63.3 69.5 100 62.8 65.5 102 60.1 69 sresstolerance 98 y = -0.210x + 84.25 50 60 70 80 90 100 110 Avg Annual salary #### Answers: a] Scatterplot 2 is correct There is negative linear relationship b] Y = 84.25 -0.21%