1.What is one concern about using the mean as the measure of central tendency?

A.The value of the mean can be greatly influenced by a few extremely large or small values

B.It is difficult to calculate the mean of ordinal data

C.Some distributions have more than one mean

D.The value of the mean is always different than the value of the median

2.Is it unusual for the sampling mean to be exactly the same as the population mean?

A.No, the probability of the sample mean being equal to the population mean is generally quite high.

B.Yes, it is unlikely that the sample mean would equal the population mean because of sampling error.

C.Yes, the sample mean would likely not equal the population mean because of the Empirical Rule.

D.No, a well-designed sample will generally have a mean equal to the population mean.

3.When conducting a one-tailed hypothesis test, you...

A.should advise the client to use a Confidence Level of at least 95%

B.should determine if it is a right or left-tailed test

C.should divide alpha into 2 equal parts

D.should always use a Z test if the sample size is greater than 30 observations