Life Expectancies Is there a relationship between the life expectancy for men and the life expectancy for women in a given country? A random sample of nonindustrialized countries was selected, and the life expectancy in years is listed for both men and women. Are the variables linearly related? Men       56.8    53.6    70.6    61.5    44.6    51.7 Women       64.4    46.2    72.2    70.2    48.4    47.1 (a) Compute the value of the correlation coefficient. Round your answer to at least three decimal places.   r=   (b) Stat the hypotheses.   H0: H1:   (c) Test the significance of the correlation coefficient at a=0.01 and 0.10 using  The Critical Values for the PPMC Table.   Critical value(s): ± Reject/do not reject the null hypothesis   (d) Give a brief explanation of the type of relationship. There is/is not (Choose one) a significant

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Life Expectancies Is there a relationship between the life expectancy for men and the life expectancy for women in a given country? A random sample of nonindustrialized countries was selected, and the life expectancy in years is listed for both men and women. Are the variables linearly related?

Men
  
   56.8
   53.6
   70.6
   61.5
   44.6
   51.7
Women
  
   64.4
   46.2
   72.2
   70.2
   48.4
   47.1

(a) Compute the value of the correlation coefficient. Round your answer to at least three decimal places.

 

r=

 

(b) Stat the hypotheses.

 

H0:

H1:

 

(c) Test the significance of the correlation coefficient at a=0.01 and 0.10 using  The Critical Values for the PPMC Table.

 

Critical value(s): ±

Reject/do not reject the null hypothesis

 

(d) Give a brief explanation of the type of relationship.

There is/is not (Choose one) a significant

(a) Compute the value of the correlation coefficient. Round your answer to at least three decimal places.

r=

 

(b) Stat the hypotheses.

H0:

H1:

(c) Test the significance of the correlation coefficient at a=0.01 and 0.10 using  The Critical Values for the PPMC Table.

Critical value(s): ±

Reject/do not reject the null hypothesis

 

(d) Give a brief explanation of the type of relationship.

There is/is not (Choose one) a significant

 

 
 
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