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# For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 38 beats per minute, the mean

For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 38 beats per minute, the mean of the listed pulse rates is x = 78.0 beats per minute, and their standard deviation is

s = 25.2 beats per minute.

- What is the difference between the pulse rate of 38 beats per minute and the mean pulse rate of the females?
- How many standard deviations is that [the difference found in part (a)]?
- Convert the pulse rate of 38 beats per minutes to a z score.
- If we consider pulse rates that convert to z scores between - 2 and 2 to be neither significantly low nor significantly high, is the pulse rate of 38 beats per minute significant?

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