Question
Please help. I'm getting some of these wrong. Answers are below. You wish to test the following claim (Ha) at a significance level of =0.001.
Please help. I'm getting some of these wrong. Answers are below.
You wish to test the following claim (Ha) at a significance level of =0.001. Ho:=59.5 Ha:>59.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data:
Column A | Column B | Column C | Column D | Column E |
---|---|---|---|---|
78.9 | 50.3 | 71.2 | 52.5 | 93.6 |
54.1 | 62.2 | 55.9 | 80.1 | 64.5 |
59 | 62.9 | 59 | 61.4 | 56.8 |
69.5 | 53 | 62.9 | 72.9 | 76.7 |
75.7 | 51.4 | 36.1 | 90 | 72 |
77.2 | 63.7 | 73.3 | 76.2 | 53 |
47.6 | 73.8 | 68.7 | 58.6 | 45.3 |
54.5 | 91.6 | 74.2 | 60.6 | 64.5 |
46.9 | 49 | 42.3 | 79.5 | 38.1 |
57.3 | 50.9 | 57.7 | 86.4 | 72 |
77.2 | 91.6 | 93.6 | 43.4 | 33.4 |
A)What is the test statistic for this sample?Round to 4 decimal places. test statistic = 2.2672. This is wrong. B)What is the p-value for this sample?Round to 4 decimal places. p-value = 0.0137 This is wrong.
C)Does this test statistic: I said accepted. This is wrong.
- reject the null
- accept the null
- fail to reject the null
- D)Is the conclusion that: I said option 2. Which is wrong.
- There is sufficient evidence to warrant rejection of the claim that the population mean is greater than 59.5.
- There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 59.5.
- The sample data support the claim that the population mean is greater than 59.5.
- There is not sufficient sample evidence to support the claim that the population mean is greater than 59.5.
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