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 (μ). Multiple Choice b. The normal distribution can be used. a. The t distribution with 6 degrees of freedom must be used. d. The sample size must be increased. c. The t distribution with 5 degrees of freedom must be used.
THE ANSWER IS NOT C) T DISTRIBUTION WITH 5 DEGREES OF FREEDOM MUST BE USED
Answer :d. The sample size must be increased. |
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