7.Conside А. The best В. For a giv level will mak С. The only

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06
7.Consider the following statements concerning confidence intervals:
А.
The best point estimate of a population mean is the sample mean.
For a given sample size and population standard deviation, an increase in the confidence
level will make the interval narrower.
В.
С.
The only requirement for being able to use the standard normal distribution table (z table)
to obtain the critical value for a confidence interval estimate for the population mean is that the
ample size be large
Transcribed Image Text:06 7.Consider the following statements concerning confidence intervals: А. The best point estimate of a population mean is the sample mean. For a given sample size and population standard deviation, an increase in the confidence level will make the interval narrower. В. С. The only requirement for being able to use the standard normal distribution table (z table) to obtain the critical value for a confidence interval estimate for the population mean is that the ample size be large
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