The average height of an NBA player

Question

The average height of an NBA player is 6.698 feet random sample of 30 players height from a major college basketball program find the mean height what is 6.75 feet with a standard deviation of 5.5 inches at what standard Dave and standard deviation equals .05 is there a significant evidence to conclude that the mean height differs from 6.698 feet

Answer 1

population mean is 6.698

sample mean is 6.75

sample standard deviation is 5.5

N=30

 

The test statistic is:

 

(6.75 - 6.698) /   (5.5/sqrt(30)) =

 

 0.0052 / 1.004158022=

 

0.0051784678164...

 

No, on the contrary.

The sample supports a mean average of 6.698