The ages (in years) of five men and their systolic pressures. (You can use technology) Age, x 16 25 39 45 49 Systolic blood pressure, y 109 122 143 132 199 a. calculate the correlation coefficient, r b. calculate the critical r c. Is there a significant linear relationship between x and y? d. find the equation of regression line e Interpret the slope and the y-intercept f. Predict the systolic blood pressure for a man who is 40 years old.

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The ages (in years) of five men and their systolic pressures. (You can use technology)
Age, x 16 25 39 45 49
Systolic blood pressure, y 109 122 143 132 199

a. calculate the correlation coefficient, r


b. calculate the critical r



c. Is there a significant linear relationship between x and y?



d. find the equation of regression line



e Interpret the slope and the y-intercept




f. Predict the systolic blood pressure for a man who is 40 years old.




 
 
 
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