Need help with statistics homework please!

Posted on 2013-12-19 11:12:00 in Statistics by COLTSFAN21

According to the central limit theorem, the mean of the sampling distribution is equal to the population mean from which the samples of a given size were drawn. True or false.



Survey development is a statistical process. True or False.



The class width in a frequency distribution should be different sizes. True or False.



In order to increase the level of confidence while preserving the maximum error, adjust the:

A) standard error of the mean

B) sample size

C) margin of error

D) null hypothesis





The Margin of Error is

A) the maximum difference between a sample mean and the true population mean based on a given degree of confidence

B) the degree of confidence that a mean will be off by a given amount

C) the minimum difference between a sample mean and the true population mean based on a given degree of confidence

D) the interval within which the true mean lies



If the null hypothesis is less than or equal to 10, then the alternate hypothesis is

A) greater than 10

B) greater than or equal to 10

C) equal to 10

D) not equal to 10



represents the degrees of freedom

A) n

B) n - 1

C) t

D) z

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