Question: Explain the difference between parts A and C. In both parts we are asked whether or not there is evidence that the population mean was
Explain the difference between parts A and C. In both parts we are asked whether or not there is evidence that the population mean was over $300.
In part A: x(bar) = $315.40; s = $43.2; Sample size = 25
In part C: x(bar) = $315.40; s = $75; Sample size = 25
Question 14 options:
| The larger mean adds uncertainty in the sample. The sample may have had some outliers. | |
| The smaller mean adds uncertainty in the sample. The sample may have had some outliers. | |
| The larger standard deviation adds uncertainty in the sample. The sample may have had some outliers. | |
| The smaller standard deviation adds uncertainty in the sample. The sample may have had some outliers. |
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