A Hypothesis Test with a Sample of N = 25

question 63

Multiple Choice

A hypothesis test with a sample of n = 25 participants produces a t statistic of t = +2.53.Assuming a one-tailed test with the critical region in the right-hand tail,what is the correct decision?

• A)The researcher can reject the null hypothesis with α = .05 but not with α = .01.
• B)The researcher can reject the null hypothesis with either α = .05 or α = .01.
• C)The researcher must fail to reject the null hypothesis with either α = .05 or α = .01.
• D)It is impossible to make a decision about H0 without more information.

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Definitions:

Primary Sex Characteristics

The physical structures directly involved in reproduction, present from birth and developed further during puberty.

Secondary Sex Characteristics

Features that appear at puberty, distinguishing two sexes from each other, not directly involved in reproduction.

Male Testes

Reproductive organs in males that produce sperm and male sex hormones, primarily testosterone.

Female Ovaries

Reproductive organs in females that produce eggs and hormones like estrogen and progesterone.