Lemon Imports 228 265 357 482 532 Crash Fatality Rate 15.9 15.7 15.4 15.3 14.8 The linear correlation coefficient is r= ________. (Round to three decimal places as needed.) The test statistic is t= _________. (Round to three decimal places as needed.) The P-value is ________. (Round to three decimal places as needed.)

Lemon Imports 228 265 357 482 532 Crash Fatality Rate 15.9 15.7 15.4 15.3 14.8 The linear correlation coefficient is r= ____. (Round to three decimal places as needed.) The test statistic is t= _. (Round to three decimal places as needed.) The P-value is ____. (Round to three decimal places as needed.)

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 2CYU

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Section 10.1

Question #10

Listed below are annual data for various years. The data are weights (metric tons) of imported lemons and car crash fatality rates per 100,000 population. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using α=0.05.
Is there sufficient evidence to conclude that there is a linear correlation between lemon imports and crash fatality rates? Do the results suggest that imported lemons cause car fatalities?

Lemon Imports	228	265	357	482	532
Crash Fatality Rate	15.9	15.7	15.4	15.3	14.8

The linear correlation coefficient is r= ________.

(Round to three decimal places as needed.)

The test statistic is t= _________.

(Round to three decimal places as needed.)

The P-value is ________.

(Round to three decimal places as needed.)

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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