Random Samples of Men and Women Have Been Given a Scale

question 13

Multiple Choice

Random samples of men and women have been given a scale that measures their support for gun control. Men average 10.2 with a standard deviation of 5.3. Women also average 10.2 but their standard deviation is 1.8. How could these results be dealt with appropriately?

• A) Test the difference in the sample means for statistical significance.
• B) Since the sample means are the same value, there is no need to conduct any tests; these results cannot be significant.
• C) A one-tailed test of significance is called for.
• D) A test of significance with a very high alpha level ( α > 0.10) is called for.

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