A Random Sample of Size 15 Is Selected from a Normal

question 40

Multiple Choice

A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume that a two-tailed test at the 0.10 significance level is to be used. For what value of t will the null hypothesis be rejected?

• A) To the left of-1.282 or to the right of 1.282
• B) To the left of-1.345 or to the right of 1.345
• C) To the left of-1.761 or to the right of 1.761
• D) To the left of-1.645 or to the right of 1.645

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