You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.
You believe the population is normally distributed and you know the standard deviation is σ=16.5σ=16.5. You obtain a sample mean of M=74.8M=74.8 for a sample of size n=72n=72.
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic =
What is the p-value for this sample? (Report answer accurate to four decimal places.)
The p-value is...
This test statistic leads to a decision to...
As such, the final conclusion is that...
There is sufficient evidence to warrant rejection of the claim that the population mean is less than 77.7.
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