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The table below is a measure of how many ounces of caffeinated coffee a person drinks and how much sleep they get.   Ounces of coffee    Hours of sleep. 22    8.9 24    6.3 38    5.9 22    6.8 19    7.4 35    6.4 28    7.2 19    7.6 27    8.9 28    9.3 25    5.4 18    6.1 35    4.3 33    8.1 28    5.8 17    6.3 25    4.8 32    5.4 18    7.5 22    6.8 25    4.7 35    6.5 41    4.2 18    7.3 51    6.8 18    5.9 32    8.1 27    4.1 38    5.8 41    6.4 52    7.7 18    9.4 34    4.5 41    3.5 33    6.8 37    9.2 28    6.1 51    9.2 17    6.3 18    4.5 25    6 A) Give the Pearson coefficient.   B) Now that you found the answer to A, do you expect there to be a strong correlation?

The table below is a measure of how many ounces of caffeinated coffee a person drinks and how much sleep they get.   Ounces of coffee    Hours of sleep. 22    8.9 24    6.3 38    5.9 22    6.8 19    7.4 35    6.4 28    7.2 19    7.6 27    8.9 28    9.3 25    5.4 18    6.1 35    4.3 33    8.1 28    5.8 17    6.3 25    4.8 32    5.4 18    7.5 22    6.8 25    4.7 35    6.5 41    4.2 18    7.3 51    6.8 18    5.9 32    8.1 27    4.1 38    5.8 41    6.4 52    7.7 18    9.4 34    4.5 41    3.5 33    6.8 37    9.2 28    6.1 51    9.2 17    6.3 18    4.5 25    6 A) Give the Pearson coefficient.   B) Now that you found the answer to A, do you expect there to be a strong correlation?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 7CR
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The table below is a measure of how many ounces of caffeinated coffee a person drinks and how much sleep they get.  

Ounces of coffee    Hours of sleep.
22    8.9
24    6.3
38    5.9
22    6.8
19    7.4
35    6.4
28    7.2
19    7.6
27    8.9
28    9.3
25    5.4
18    6.1
35    4.3
33    8.1
28    5.8
17    6.3
25    4.8
32    5.4
18    7.5
22    6.8
25    4.7
35    6.5
41    4.2
18    7.3
51    6.8
18    5.9
32    8.1
27    4.1
38    5.8
41    6.4
52    7.7
18    9.4
34    4.5
41    3.5
33    6.8
37    9.2
28    6.1
51    9.2
17    6.3
18    4.5
25    6
A) Give the Pearson coefficient.

 

B) Now that you found the answer to A, do you expect there to be a strong correlation?

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