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The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.

Admissions	Probability
1,070	0.2
1,260	0.2
1,560	0.6

1.	What is the expected number of admissions for the fall semester?

Expected number of admissions

The incomes of 50 loan applicants are obtained. Which level of measurement is income?

The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered?

The reported unemployment is 5.5% of the population. What measurement scale is used to measure unemployment?

The Nielsen Ratings break down the number of people watching a particular television show by age. What level of measurement is age?

An example of a qualitative variable is _________________.

wo thousand four hundred frequent business travelers are asked which midwestern city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. 110 liked Indianapolis best, 404 liked Saint Louis, 1300 liked Chicago, and the remainder preferred Milwaukee. Develop a frequency table and a relative frequency table to summarize this information. (Round relative frequency to 3 decimal places.)

City

Frequency

Relative Frequency

Indianapolis