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Please help me understand how to do this. I get confused on the steps. You wish to test the following claim (Ha) at a significance
Please help me understand how to do this. I get confused on the steps.
You wish to test the following claim (Ha) at a significance level of =0.002
Ho:=60.5 Ha:<60.5
You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=9n with mean x=56.4 and a standard deviation of s=13.6
- What is the test statistic for this sample? test statistic = (Round to 3 decimal places)
- What is the p-value for this sample? p-value = (Round to 4 decimal places.)
- The p-value is...
- less than (or equal to)
- greater than
4.This test statistic leads to a decision to...
- reject the null
- accept the null
- fail to reject the null
5.As such, the final conclusion is that...
- There is sufficient evidence to warrant rejection of the claim that the population mean is less than 60.5.
- There is not sufficient evidence to warrant rejection of the claim that the population mean is less than 60.5.
- The sample data support the claim that the population mean is less than 60.5.
- There is not sufficient sample evidence to support the claim that the population mean is less than 60.5.
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