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A previous student of this class was curious about the relationship between number of hours a person slept before an and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number o hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: Number of hours slept Number of correct before exam: X answers on exam: Y XY X2 Y2 8. 3. 10 9. 9. 7 Compute the Pearson's r correlation. SP Ex} r = SP = Σχ - SS XSSY SS = n

A previous student of this class was curious about the relationship between number of hours a person slept before an and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number o hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: Number of hours slept Number of correct before exam: X answers on exam: Y XY X2 Y2 8. 3. 10 9. 9. 7 Compute the Pearson's r correlation. SP Ex} r = SP = Σχ - SS XSSY SS = n

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A previous student of this class was curious about the relationship between number of hours a person slept before an exar and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number of hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: Number of hours slept Number of correct before exam: X answers on exam: Y XY X2 Y2 8 10 9. 9. 7 14. Compute the Pearson's r correlation. Ex} SP r = S-Σχx_Σx. SP = SSx SSy = n N
Transcribed Image Text:A previous student of this class was curious about the relationship between number of hours a person slept before an exar and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number of hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: Number of hours slept Number of correct before exam: X answers on exam: Y XY X2 Y2 8 10 9. 9. 7 14. Compute the Pearson's r correlation. Ex} SP r = S-Σχx_Σx. SP = SSx SSy = n N
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