## Elementary Statistics Picturing The World 6th Edition By Larson Test Bank

**Ch. 1 Introduction to Statistics**

1.1 An Overview of Statistics

1 Distinguish Between a Population and a Sample

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

Identify the population and the sample.

1) A survey of 1378 American households found that 27% of the households own a computer.

2) When 1094 American households were surveyed, it was found that 67% of them owned two cars.

3) A survey of 2625 elementary school children found that 28% of the children could be classified as obese.

2 Distinguish Between a Parameter and a Statistic

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

Determine whether the numerical value is a parameter or a statistic. Explain your reasoning.

4) A recent survey by the alumni of a major university indicated that the average salary of 10,500 of its 175,000

graduates was $95,000.

5) The average salary of all assembly-line employees at a certain car manufacturer is $41,000..

6) A survey of 1162 students was taken from a university with 10,000 students.

3 Distinguish Between Descriptive Statistics and Inferential Statistics

**MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.**

Identify whether the statement describes inferential statistics or descriptive statistics.

**7)** The average age of the students in a statistics class is 19 years.

A) descriptive statistics B) inferential statistics

**8)** The chances of winning the California Lottery are one chance in twenty-two million.

A) inferential statistics B) descriptive statistics

**9)** There is a relationship between smoking cigarettes and getting emphysema.

A) inferential statistics B) descriptive statistics

**10)** From past figures, it is predicted that 19% of the registered voters in California will vote in the June primary.

A) inferential statistics B) descriptive statistics

**11)** Based on previous clients, a marriage counselor concludes that the majority of marriages that begin with

cohabitation before marriage will result in divorce.

A) inferential statistics B) descriptive statistics

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