The data below are the ages and annual pharmacy bills (in dollars) of 9 randomly selected employees. The data below are the ages and annual pharmacy bills (in dollars) of 9 randomly selected employees. Age, x Phamacy bill ($), y 48 | 51 | 54 115 118 126 137 140 44 56 60 64 68 143 145 147 (a) Calculate the linear correlation coefficient: Round answer to thousandths place. (b) Does a linear relationship exist between age and pharmacy bills? Write 'Yes' or 'No'

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 14PPS
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The data below are the ages and annual pharmacy bills (in dollars) of 9 randomly selected
employees.
The data below are the ages and annual pharmacy bills (in dollars) of 9 randomly selected employees.
Age, x
Phamacy bill ($), y
44 | 48 | 51
115 118 126 137 140 143 145
54
56
60
64
68
147
(a) Calculate the linear correlation coefficient:
Round answer to thousandths place.
(b) Does a linear relationship exist between age and pharmacy bills?
Write 'Yes' or 'No'
Transcribed Image Text:The data below are the ages and annual pharmacy bills (in dollars) of 9 randomly selected employees. The data below are the ages and annual pharmacy bills (in dollars) of 9 randomly selected employees. Age, x Phamacy bill ($), y 44 | 48 | 51 115 118 126 137 140 143 145 54 56 60 64 68 147 (a) Calculate the linear correlation coefficient: Round answer to thousandths place. (b) Does a linear relationship exist between age and pharmacy bills? Write 'Yes' or 'No'
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