It is believed that the median age of college students is 21 years. A sample of 85 college students is taken. Thirty of the students were under 21, 45 of the students were over 21, and 10 were 21 years old

a. State the null and alternative hypotheses.
b. Test the null hypothesis at the 1% level of significance.

a. H0: Median = 21
Ha: Median ? 21
b. z = 1.62; p-value = .1052; do not reject the null hypothesis; no evidence that the median age of college students is not 21 years.

Business

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Which of the following statements about locating facilities in the service sector is BEST?

A) The factors that apply to manufacturing firms often also apply to service facilities, but the impact of the location on sales and customer satisfaction is an important addition. B) Management should avoid locating facilities where competitors are already well established, as illustrated by new car showrooms. C) Creating a critical mass is a strategy that avoids locating near competing firms. D) "Site specific" factors are the main reason for locating warehousing and distribution operations near the customer.

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To help you clarify a report problem, you should write a A) thesis statement

B) transitional sentence. C) problem statement. D) topic sentence.

Business