@me,, please check and show work :-) 23) what is the primary purpose of a 95% co
ID: 2915453 • Letter: #
Question
@me,, please check and show work :-)
23) what is the primary purpose of a 95% confidence interval fora mean?
a. to estimate a sample mean
b. to test a hypothesis about a sample mean
c. to estimate a population mean
d. to provide an interval that covers 95% of the individual valuesin the population
24) for a randomly selected sample of n=36 men's heights, it'sreported that the standard error of the mean is 0.5 inches. threeof the following statements are true. which statement is FALSE?
a. the standard error (0.5 inches) is an estimated value of thestandard deviation of the sample mean
b. if a new sample of n=36 mens heights is collected, the standarderror of the mean might not equal 0.5 inches @@
c. over many different samples of n=36 men's heights, the averagedifference between the sample mean and population mean will beroughly 0.5 inches
d. in about 95% of all samples of n=36 men's heights, the samplemean will be within 0.5 inches of the population mean
Explanation / Answer
23) what is the primary purpose of a 95% confidence interval fora mean?
a. to estimate a sample mean
b. to test a hypothesis about a sample mean
c. to estimate a populationmean@
d. to provide an interval that covers 95% of the individual valuesin the population
24) for a randomly selected sample of n=36 men's heights, it'sreported that the standard error of the mean is 0.5 inches. threeof the following statements are true. which statement is FALSE?
a. the standard error (0.5 inches) is an estimated value of thestandard deviation of the sample mean
b. if a new sample of n=36mens heights is collected, the standard error of the mean might notequal 0.5 inches @@
c. over many different samples of n=36 men's heights, the averagedifference between the sample mean and population mean will beroughly 0.5 inches
d. in about 95% of all samples of n=36 men's heights, the samplemean will be within 0.5 inches of the population mean
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