When Testing a Two-Tailed Hypothesis Using a Significance Level of 0.05

question 82

Multiple Choice

When testing a two-tailed hypothesis using a significance level of 0.05, a sample size of n = 16, and with the population standard deviation unknown, which of the following is true?

• A) The null hypothesis can be rejected if the sample mean gets too large or too small compared with the hypothesized mean.
• B) The alpha probability must be split in half and a rejection region must be formed on both sides of the sampling distribution.
• C) The test statistic will be a t-value.
• D) All of the above are true.

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Definitions:

Suggestibility

The quality of being inclined to accept and act on the suggestions of others.

Mutual Exclusivity

A concept where the occurrence of one event makes the occurrence of another event impossible in the same context.

Fast Mapping

A process by which children learn new words after only a brief encounter, connecting it with their own mental categories.

Logical Extension

A strategy children use to increase their vocabulary in which they extend a new word to other objects in the same category.