Question

Asked Feb 24, 2019

For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 39 beats per minute, the mean of the listed pulse rates is x overbar equals 77.0 beats per minute, and their standard deviation is sequals 21.2 beats per minute.

a. What is the difference between the pulse rate of39 beats per minute and the mean pulse rate of the females?

b. How many standard deviations is that [the difference found in part (a)]?

c. Convert the pulse rate of39 beats per minutes to a z score.

d. If we consider data speeds that convert to z scores between minus 2 and 2 to be neither significantly low nor significantly high, is the pulse rate of 39 beats per minute significant?

Step 1

Hello there! there are more than 3 subparts in the question. According to our policies cannot answer more than 3 subparts. The parts a,b,c are solved . If you have any doubt in remaining parts of the question kindly request a new question.

Step 2

Given a data set of pulse rates for a sample of adult females.

Lowest pulse rate is 39 beats per minute.

the mean of the listed pulse rates is 77 beats per minute

Standard deviation is 21.2 beats per minute.

the difference between the lowest pulse rate and mean pulse rate of females = 39 - 77= -38.

We can say the difference is 38 beats per minute and negative symbol indicate that the lowest point is less than the mean pulse rate.

Step 3

The difference between lowest pulse rate and mean pulse rate of females is 38 beats per minute and standard deviation is 21.2 beats per minute. SO the diffe...

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