5)
5) i. The 95 percent confidence interval states that 95 percent of the sample means of a
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SAT, 12.12.2020 15:50 lilzaya510
5)
5) i. The 95 percent confidence interval states that 95 percent of the sample means of a
specified sample size selected from a population will lie within plus and minus 1.96
standard deviations of the hypothesized population mean.
ii. A distribution of sample means is normally distributed with a mean equal to the
population mean and a standard deviation equal to the standard error of the mean.
111. A sample mean is the best point estimate of a population mean.
A) (i), (ii), and (iii) are all correct statements,
B) (i) and (iii) are correct statements but not (ii).
C) (i), (ii), and (iii) are all false statements.
D) (i) and (ii) are correct statements but not (iii).
E) (ii) and (iii) are correct statements but not (I).
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