Listed below are the overhead widths (in cm) of seals measured from photographs

Question

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 alpha = 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? Click here to view a table of critical values for the correlation coefficient. Construct a scatterplot. Choose the correct graph below. 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 alpha = 0.05.

Explanation / Answer

Scatterplot: Option A is correct.

r = 0.916

Critical Values = -0.811, 0.811

Greater; is

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