The following data was recorded regarding the stress level from the amount of coffee per day one consumes. Number of cups 3 2 4 6 5 1 7 3 Stress level 5 3 3 9 4 2 10 5 Identify the dependent and the independent variables Determine the regression equation for predicting the stress level from the amount of coffee per day one consumes Predict the stress level for someone who drinks 8 cups of coffee a day

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter4: Linear Functions
Section: Chapter Questions
Problem 40RE: For the following exercises, consider the data in Table 5, which shows the percent of unemployed ina...
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  1. The following data was recorded regarding the stress level from the amount of coffee per day one consumes.

    Number of cups

    3

    2

    4

    6

    5

    1

    7

    3

    Stress level

    5

    3

    3

    9

    4

    2

    10

    5

    1. Identify the dependent and the independent variables
    2. Determine the regression equation for predicting the stress level from the amount of coffee per day one consumes
  2. Predict the stress level for someone who drinks 8 cups of coffee a day
  3. Sketch your result obtained in (ii) above. What conclusion can you draw from your sketch?
  • Determine the product moment correlation coefficient. What can you say about the value obtained?
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