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  3. 1) a student wishes to determine the association b

1) A student wishes to determine the association between Hours Studied and Test Score. She also...

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Question

Statistics

1) A student wishes to determine the association between HoursStudied and Test Score. She also wants to determine the associationbetween Hours of Sleep before the Test and the Test Score.

Hours Studied

1

3

2.5

4

5

5

3

4

Hours Slept

6

7

7

8

8

8

5

6.5

Test Score

72

80

78

90

94

96

88

84

  1. Which factor (hours studied or hours slept) is a strongerassociation with test score? (Show data to support this).

Hours Slept is a stronger association

  1. What is the r-squared for hours studies vs test score andinterpret it.

  1. What is the regression equation for each association above anduse the Linreg T test to determine whether the equations are validpredictors of Test Score.

  1. Study vs Test score:
  2. Sleep vs Test score

  1. If someone studied 3.5 hours, what would be the predicted testscore?                                        Is using your equation a valid way to predict this?

Answer & Explanation Solved by verified expert
4.3 Ratings (811 Votes)
The regression output for Test score vs Hours studied is asfollowsThe regression output for Test score vs Hours slept is asfollowsQuestion 1The Multiple R value gives us how strong the relationship isbetween Independent and Dependent variablesThe Multiple R value in Hours studied vs Test score is 092997which is more than the The Multiple R value in Hours slept vs Testscore of    See Answer
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