I need help with my statistics Homework!?

Posted on 2014-04-23 07:10:00 in Statistics by RAERAE

TRUE/FALSE.

1) True or False: If the population distribution is skewed, in most cases the sampling distribution of the mean can be approximated by the normal distribution if the samples contain at least 30

observations. 1) _______



2) True or False: The standard error of the mean is also known as the standard deviation of the sampling distribution of the sample mean. 2) _______



3) True or False: The confidence interval obtained will always correctly estimate the population parameter. 3) _______



4) True or False: The difference between the sample proportion and the population proportion is called the sampling error. 4) _______



5) True or False: The t distribution is used to develop a confidence interval estimate of the population mean when the population standard deviation is unknown. 5) _______



6) True or False: In estimating the population mean with the population standard deviation unknown, if the sample size is 12, there will be 6 degrees of freedom. 6) _______

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