A sample of 80 women is obtained, and their heights (in inches) and pulse rates (in beats per minute) are measured. The linear correlation coefficient is
0.201 and the equation of the regression line is ^y = 17.8 +0.910x where x represents height. The mean of the 80 heights is 63.1 in and the mean of the 80 pulse rates is 77.9 beats per minute. Find the best predicted pulse rate of a woman who is 74 in tall. Use a significance level of ?.01.
The critical value is 0.286
The best predicted pulse rate of a woman who is 74 inches tall is ___ beats per minute.
Round 2 decimal places as needed
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