From a Population That Is Not Normally Distributed and Whose

question 36

Multiple Choice

From a population that is not normally distributed and whose standard deviation is not known, a sample of 50 items is selected to develop an interval estimate for µ. Which of the following statements is true?​

• A) ​The standard normal distribution can be used.
• B) ​The t distribution with 50 degrees of freedom must be used.
• C) ​The t distribution with 49 degrees of freedom must be used.
• D) ​The sample size must be increased in order to develop an interval estimate.

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