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We reject the null hypothesis that population mean is above 48 at 95% confidence level
We accept the hypothesis that the population mean is within 34 and 46
We fail to reject the hypothesis that population mean is below 46 at 95% confidence level
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Holding everything else constant, as the sample size increases, the standard error increases.
Holding everything else constant, as the sample size increases, the standard error decreases.
Holding everything else constant, as the sample size increases, the standard deviation decreases.
The less the variation in the sample, the more confident we can be that the sample mean is closer to the population mean (holding everything else constant).
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