Jan 22 2-2 Test: Chapter 1 Test: Introduction to Statistics

Determine whether the data set is a population or a sample.

1) The age of every fourth person entering a department store

• Sample

• Population

Determine whether the data set is a population or a sample.

1)2) The age of each employee at a local grocery store

A) population

• Sample

• Population

Use the Venn diagram to identify the population and the sample.

6)

• Population: Magazine subscribers who renew their subscription; Sample: Magazine subscribers

•   Population: Magazine subscribers;

  Sample; Magazine subscribers who renew their subscription

Determine whether the numerical value is a parameter or a statistic. 

7)     A recent survey by the alumni of a major university indicated that the average salary of 10,500 of its 200,000 graduates was $130,000.

• Parameter

• Statistic

Determine whether the numerical value is a parameter or a statistic. 

The average salary of all assembly-line employees at a certain car manufacturer is $44,000.

• Parameter

• Statistic

Determine whether the numerical value is a parameter or a statistic. 

A survey of 1040 students was taken from a university with 19,000 students.

• Parameter

• Statistic

Identify whether the statement describes inferential statistics or descriptive statistics.

The average age of the students in a statistics class is 20 years.

• descriptive statistics    

• inferential statistics

Identify whether the statement describes inferential statistics or descriptive statistics.

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

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

A)  inferential statistics           B) descriptive statistics

• Descriptive Statistics

• Inferential Statistics

Identify whether the statement describes inferential statistics or descriptive statistics.

There is a relationship between smoking cigarettes and getting emphysema.

• Descriptive Statistics

• Inferential Statistics

Determine whether the data are qualitative or quantitative.

1)    the colors of automobiles on a used car lot

• qualitative  

• quantitative