For a data set of the pulse rates for a sample of adult females, the lowest puls

Question

For a data set of the pulse rates for a sample of adult females, the lowest pulse rato is 37 beats per minute, the mean of the listed pulse rates is x 78.0 beats per minute, and their standard deviation is s 26.4 beats per minute. a. What is the difference between the pulse rate of 37 beats per minute and the mean pulse rate of the females? b. How many standard deviations is that (the difference found in part (a)jr c. Convert the pulse rate of 37 beats per minutes to a z score. d. f we consider data speeds that convert to z scores botwoon -2 and 2 to be neither significanty low nor significanty high, is the pulse rate of 37 beats per minute significant? a. The difference is beats per minute. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. Round to two decimal places as needed.) c. The z score is z Round to two decimal places as needed.) d. The lowest pulse rate is not significant significantly low significantly high.

Explanation / Answer

a) 78-37=41

b) (78-37)/26.4= 1.55

c)

mu= 78

sigma= 26.4

x= 37

Z=(X-mu)/sigma

=(37-78)/26.4

-1.55

d) since z= -1.55 lies between (-2 and 2) so it is not significant

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