ACTIVITY: Olivia is studying for a test, and she wonders if her friend, Laney, is also studying for the test. She calls Laney and asks her how long she has been studying. Laney has been studying for her test all week, approximately 8 hours total. Olivia has only been studying for her test for a couple of hours. The next week, Olivia and Laney get their test scores back. Laney got an A on her test, and Olivia got a C. Olivia wonders if there is a correlation between the number of hours spent studying and the grade a student earns. Take a look at the data Olivia collected from her classmates and see if you can find a correlation. Use 5% level of significance Number of Hours Grades 8 98 2 74 6 87 4 82 2 72

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter3: Math Models
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ACTIVITY:
Olivia is studying for a test, and she wonders if her friend, Laney, is also studying for the test.
She calls Laney and asks her how long she has been studying. Laney has been studying for
her test all week, approximately 8 hours total. Olivia has only been studying for her test for a
couple of hours. The next week, Olivia and Laney get their test scores back. Laney got an A
on her test, and Olivia got a C. Olivia wonders if there is a correlation between the number of
hours spent studying and the grade a student earns. Take a look at the data Olivia collected
from her classmates and see if you can find a correlation. Use 5% level of significance
Number of Hours
Grades
8
98
2
74
6
87
82
72
42
Transcribed Image Text:ACTIVITY: Olivia is studying for a test, and she wonders if her friend, Laney, is also studying for the test. She calls Laney and asks her how long she has been studying. Laney has been studying for her test all week, approximately 8 hours total. Olivia has only been studying for her test for a couple of hours. The next week, Olivia and Laney get their test scores back. Laney got an A on her test, and Olivia got a C. Olivia wonders if there is a correlation between the number of hours spent studying and the grade a student earns. Take a look at the data Olivia collected from her classmates and see if you can find a correlation. Use 5% level of significance Number of Hours Grades 8 98 2 74 6 87 82 72 42
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