Question: A study was conducted with vegetarians to see whether the number of grams of protein each ate per day was related to diastolic blood pressure.
If there is a significant relationship, predict the diastolic pressure of a vegetarian who consumes 8 grams of protein per day.
Do a complete regression analysis by performing the following steps.
a. Draw the scatter plot.
b. Compute the value of the correlation coefficient.
c. Test the significance of the correlation coefficient at α = 0.01, using Table I.
d. Determine the regression line equation.
e. Plot the regression line on the scatter plot.
f. Predict y for a specific value of x.
Grams 4 6.5 5 5.5 8 10 9 8.2 10.5 Pressure yl 73 79 83 82 84 92 88 86 95
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