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ALUATION when she gets more sleep she does better on tests. To test her hypothesis, she tracked how she did on a number of tests, based on how many hours of sleep she got on the night previous. Is there a significant relationship between hours of sleep and test scores? Yvonne is a good student, but at times she doesn't get enough sleep. She hypothesizes that (X-X BAR)² (Y-Y BAR)2 х-Х BAR Y-Y BAR (2(-X BAR) (Y-Y BAR) Y 8 81 80 75 65 6. 91 6. 80 INTERPRETATION:

ALUATION when she gets more sleep she does better on tests. To test her hypothesis, she tracked how she did on a number of tests, based on how many hours of sleep she got on the night previous. Is there a significant relationship between hours of sleep and test scores? Yvonne is a good student, but at times she doesn't get enough sleep. She hypothesizes that (X-X BAR)² (Y-Y BAR)2 х-Х BAR Y-Y BAR (2(-X BAR) (Y-Y BAR) Y 8 81 80 75 65 6. 91 6. 80 INTERPRETATION:

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 1CA
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Nine students held their breath, once after breathing normally and relaxing for one minute, and once after hyperventilating for one minute. The table indicates how long (in sec) they were able to hold their breath. Is there an association between the two variables?
WALUATION when she gets more sleep she does better on tests. To test her hypothesis, she tracked how she did on a number of tests, based on how many hours of sleep she got on the night previous. Is there a significant relationship between hours of sleep and test scores? Yvonne is a good student, but at times she doesn't get enough sleep. She hypothesizes that (Х-X BAR)? (Y-Y BAR)2 х-Х BAR Y-Y BAR ()X-X BAR) (Y-Y BAR) Y 8 81 8. 80 75 65 91 80 6. INTERPRETATION: 657
Transcribed Image Text:WALUATION when she gets more sleep she does better on tests. To test her hypothesis, she tracked how she did on a number of tests, based on how many hours of sleep she got on the night previous. Is there a significant relationship between hours of sleep and test scores? Yvonne is a good student, but at times she doesn't get enough sleep. She hypothesizes that (Х-X BAR)? (Y-Y BAR)2 х-Х BAR Y-Y BAR ()X-X BAR) (Y-Y BAR) Y 8 81 8. 80 75 65 91 80 6. INTERPRETATION: 657
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