Question

claim: the mean pulse rate ( in beats per minute) of adult males is equal fo 69 bpm. for a random sample of 153 adukt males, the mean pulse rate is 70.4 bpm and ghe standard deviation is 11.3. find the value of the test statistic.

Answer 1

Solution:

The test statistics,

= 69

= 70.4

= 11.3

n = 153

t =( - )/ (s /n)

= ( 70.4 - 69 ) / ( 11.3 / 153 )

= 1.53

The value of the test statistic is 1.53

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