a sample of 50 women is obtained and their heights (in inches) and pulse rates (in beats per min) are measured. the linear correlation coefficient is 0.229 and the equation of the regression line y= 17.9 +0.870x where x represents hight. the mean of the 50 heights is 63.1 in and the mean of the 50 pulse rates is 72.6 beats per min. find the beats predicted pulse rate of a woman who is 74 in tall. use a significance level of x = 0.05

To find the predicted pulse rate of a woman who is 74 inches tall, we can use the equation of the regression line: y = 17.9 + 0.870x, where x represents the height.

Substituting x = 74 into the equation, we have:
y = 17.9 + 0.870 * 74

Calculating this expression, we find:
y = 17.9 + 64.38
y ≈ 82.28

Therefore, the predicted pulse rate for a woman who is 74 inches tall is approximately 82.28 beats per minute.

To find the predicted pulse rate of a woman who is 74 inches tall using the given information, you can use the equation of the regression line:

y = 17.9 + 0.870x

Where:
y = predicted pulse rate
x = height

In this case, we want to find the predicted pulse rate when x = 74 inches.

Substitute x = 74 into the equation:

y = 17.9 + 0.870(74)
y = 17.9 + 64.38
y = 82.28

Therefore, the predicted pulse rate for a woman who is 74 inches tall is approximately 82.28 beats per minute.