The Dow Jones Industrial Average (DJIA) high values and the total number of poin

Question

The Dow Jones Industrial Average (DJIA) high values and the total number of points scores in the Super Bowl were recorded for 20 different years. Software was used to find that the value of the linear correlation coefficient is r = -0.35.

Is there a linear correlation at the = .05 level between DJIA high value and Super Bowl points?

Yes, because the absolute value of -0.35 is less than the critical value.

Yes, because the absolute value of -0.35 is greater than the critical value.   

No, because the absolute value of -0.35 is less than the critical value.

No, because the absolute value of -0.35 is greater than the critical value. Not enough information.

Explanation / Answer

For n = 20,

Critica value of correlation at as .05 = 0.444

Hence,

The correct answer is:

No, because the absolute value of -0.35 is less than the critical value.

Option C is correct.

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