Question: To test H: u = 20 versus H:u < 20, asimple random sample size of n=18 is obtained from population that is known tobe normally

To test H: u = 20 versus H:u< 20, asimple random sample size of n=18 is obtained from population that is known tobe normally distributed.

a. If x- =18.3 and s =4.4 compute the test statistic.

T=(round to 2 decimal places as needed).

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