A Local Newspaper Asked Each Person in a Random Sample

question 28

Multiple Choice

A local newspaper asked each person in a random sample of 44 subscribers which section of the paper he or she read first. The resulting data are shown in the accompanying table. A chi-square test is to be performed to determine if the data provides evidence that the proportions choosing each of the sections are not the same. If the null hypothesis is that there is no difference in the proportions, what is the expected frequency of those who read the Business section first?

• A)8
• B)44
• C)11
• D)4
• E)There is not enough information to determine the expected frequency.

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Definitions:

High Blood Pressure

A medical condition where the force of the blood against the artery walls is consistently too high, which can lead to health problems.

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Common physical ailment characterized by pain in the head or neck area, which can have various causes including stress, tension, or medical conditions.

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