Listed below are the numbers of cricket chirps in 1 minute and the corresponding temperatures in °F. Construct a scatterplot, and find the value of the linear correlation coefficient r. Is there sufficient evidence to conclude that there is a linear correlation between the number of chirps in 1 minute and the temperature? Use a significance level of a = 0.05. Chirps in 1 min 893 Temperature (°F) 69.9 1177 1119 871 1220 93.2 85.6 76.3 87.7 1038 957 82.2 72.5 912 80.9

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2BGP
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Listed below are the numbers of cricket chirps in 1 minute and the corresponding temperatures in °F. Construct a
scatterplot, and find the value of the linear correlation coefficient r. Is there sufficient evidence to conclude that there is
a linear correlation between the number of chirps in 1 minute and the temperature? Use a significance level of a= 0.05.
893
Chirps in 1 min
Temperature (°F) 69.9
1177 1119
93.2 85.6
cal UTCAI CUCHLICH IS U
(Round to three decimal places as needed.)
The test statistic t is
(Round to two decimal places as needed.)
The P-value is
(Round to three decimal places as needed.)
871
76.3
1220 1038 957
87.7 82.2 72.5
912
80.9
Because the P-value is
the significance level 0.05,
the null hypothesis. There
sufficient evidence to support the claim that there is a linear correlation between the number of chirps in 1
minute and the temperature in °F for a significance level of α = 0.05.
Transcribed Image Text:Listed below are the numbers of cricket chirps in 1 minute and the corresponding temperatures in °F. Construct a scatterplot, and find the value of the linear correlation coefficient r. Is there sufficient evidence to conclude that there is a linear correlation between the number of chirps in 1 minute and the temperature? Use a significance level of a= 0.05. 893 Chirps in 1 min Temperature (°F) 69.9 1177 1119 93.2 85.6 cal UTCAI CUCHLICH IS U (Round to three decimal places as needed.) The test statistic t is (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) 871 76.3 1220 1038 957 87.7 82.2 72.5 912 80.9 Because the P-value is the significance level 0.05, the null hypothesis. There sufficient evidence to support the claim that there is a linear correlation between the number of chirps in 1 minute and the temperature in °F for a significance level of α = 0.05.
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