When Blood Levels Are Low at an Area Hospital, a Call

question 85

Multiple Choice

When blood levels are low at an area hospital, a call goes out to local residents to give blood. The blood center is interested in determining which sex - males or females - is more likely to respond. Random, independent samples of 60 females and 100 males were each asked if they would be willing to give blood when called by a local hospital. A success is defined as a person who responds to the call and donates blood. The goal is to compare the percentage of the successes between the male and female responses. What type of analysis should be used?

• A) A paired difference comparison of population means.
• B) An independent samples comparison of population proportions.
• C) A test of a single population proportion.
• D) An independent samples comparison of population means.

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