Answer the following statement(s) true (T) or false (F)

1. The null hypothesis indicates that there is no difference while the alternative hypothesis indicates that there is a difference between the means of two groups.
2. The “not equals” sign (?) can be found in the alternative hypothesis.
3. When researchers select a particular alpha level, they are selecting the risk they are willing to take of making a Type II error.
4. The alpha level .05 has a corresponding z score of +/-1.96.
5. An obtained z score that falls within the critical regions of the normal curve will lead one to reject the null hypothesis.


1. True
2. True
3. False
4. True
5. True

Criminal Justice

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In actuality, DHS creation had its impetus from:

a. Richard Clark b. George Bush c. Senator Lieberman d. Andrew Card

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When the witness is also the defendant in a criminal case, which of the following balancing tests applies?

A. The evidence is inadmissible if the probative value of the evidence merely outweighs the prejudicial effect. B. The evidence is inadmissible if the probative value of the evidence is substantially outweighed by the prejudicial effect. C. The evidence is inadmissible if the unfair prejudicial effect of the evidence is substantially outweighed by the probative value. D. The evidence is inadmissible if the unfair prejudicial effect of the evidence merely outweighs the probative value.

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Law enforcement officers who enforce violations of the law are an example of formal social control

Indicate whether the statement is true or false

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Fill in the blank(s) with correct word

Criminal Justice