A Random Sample of 15 Statistics Textbooks Has a Mean

question 45

Multiple Choice

A random sample of 15 statistics textbooks has a mean price of $105 with a standard deviation of $30.25. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be
Used to construct a confidence interval. Assume the distribution of statistics textbook prices is not normally
Distributed.

• A)Cannot use normal distribution or t-distribution.
• B)Use normal distribution.
• C)Use the t-distribution.

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