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A researcher wants to know if there is a difference between the mean amount of sleep that people get for various types of employment status.
A researcher wants to know if there is a difference between the mean amount of sleep that people get for various types of employment status. The table below shows data that was collected from a survey.
Full Time Worker | Part Time Worker | Unemployed |
---|---|---|
8 | 6 | 7 |
6 | 9 | 8 |
6 | 9 | 8 |
6 | 6 | 8 |
7 | 8 | 7 |
7 | 6 | 7 |
7 | 8 | 10 |
8 | 9 | |
8 | 10 |
Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of=0.05=0.05. H0:1=2=3H0:1=2=3 H1:H1:At least two of the means differ from each other.
- For this study, we should use Select an answer -Test T-Test 2-PropZInt 2-SampTTest 1-PropZInt ANOVA 1-PropZTest TInterval 2-PropZTest 2-SampTInt GOF-Test
- The test-statistic for this data = (Please show your answer to 3 decimal places.)
- The p-value for this sample = (Please show your answer to 4 decimal places.)
- The p-value is Select an answer greater than alpha less than (or equal to) alpha
- Base on this, we should Select an answer accept the null hypothesis reject the null hypothesis fail to reject the null hypothesis hypothesis
- As such, the final conclusion is that...
- There is insufficient evidence to support the claim that employment status is a factor in the amount of sleep people get.
- There is sufficient evidence to support the claim that employment status is a factor in the amount of sleep people get.
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