**MA330 MATHEMATICAL STATISTIC I**

**1.**

What method of data collection would you use to collect data for a study of the salaries of college professors at a particular college?

A) perform an experiment

**B) use sampling**

C) use a simulation

D) take a census

**2.**

There is a relationship between smoking cigarettes and getting emphysema. This statement describes

A) descriptive statistics

**B) inferential statistics**

**3.**

The number of complaint letters received by the USPS in a given day are

A) qualitative

**B) quantitative**

**4.**

After polling every 8th graduate, a major university estimated the annual salary of its alumni to be $103,000. What sampling technique was used?

A) stratified

**B) systematic**

C) random

D) cluster

E) convenience

**5.**

A recent survey by the alumni of a major university indicated that the average salary of 8000 of its 250,000 graduates was $120,000. This number is a

**A) statistic**

B) parameter

**6.**

Explain the difference between a population and a sample

Population consists of all of the members of a group about which you want to draw a conclusion. A sample is the portion of the population selected for analysis.

**Category:**Business, General Business

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