From a population that is not normally distributed and whose standard deviation is not known, a sample of 6 items is selected to develop an interval estimate for the mean of the population ($\mu$).
A)The normal distribution can be used.
B)The t distribution with 5 degrees of freedom must be used.
C)The t distribution with 6 degrees of freedom must be used.
D)The sample size must be increased.

Question

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The Answer of From a population that is not normally distributed and whose standard deviation is not known, a sample of 6 items is selected to develop an interval estimate for the mean of the population ($\mu$).
A)The normal distribution can be used.
B)The t distribution with 5 degrees of freedom must be used.
C)The t distribution with 6 degrees of freedom must be used.
D)The sample size must be increased.

From a Population That Is Not Normally Distributed and Whose μ\muμ

From a Population That Is Not Normally Distributed and Whose $\mu$