Listed below are the overhead widths​ (in cm) of seals measured from photographs and the weights​ (in kg) of the seals. Construct a​ scatterplot, find the value of the linear correlation coefficient​...


Listed below are the overhead widths​ (in cm) of seals measured from photographs and the weights​ (in kg) of the seals. Construct a​ scatterplot, find the value of the linear correlation coefficient​ r, and find the critical values of r using α=0.05. Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of the​ seals?


Overhead   Width Weight
7.2               114
7.7               168
9.9                250
9.3                201
8.8                202
8.3               188


A. Construct a scatterplot


The linear correlation coefficient r is _______ ​(Round to three decimal places as​ needed.


The critical values are r = __________ ​(Round to three decimal places as needed. Use a comma to separate answers as​ needed.)


Because the absolute value of the linear correlation coefficient is _____   than the positive critical​ value, there _____ sufficient evidence to support the claim that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals for a significance level of α =0.05



Jun 07, 2022
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