Question

​Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69...

​Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to

69

bpm. For a random sample of

142

adult​ males, the mean pulse rate is

69.4

bpm and the standard deviation is

10.9

bpm. Find the value of the test statistic.The value of the test statistic is

nothing.

​(Round to two decimal places as​ needed.)

Homework Answers

Answer #1

Solution :

Given that,

Population mean = = 69

Sample mean = = 69.4

Sample standard deviation = s = 10.9

Sample size = n = 142

The test statistics,

t = ( - )/ (s/)

= ( 69.4 - 69 ) / ( 10.9 / 142 )

= 0.44

The value of the test statistic is 0.44

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