Descriptive and Inference Field

Two branches of statistics are________________ and ___________.

• engineering and chemistry

• mathematical and inferential

• inferential and descriptive

• hard and easy

_____________________ statistics consists of generalizing from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions.

• mathematical

• descriptive

• inferential

• population

statistics consists of the collection, organization, summarization and presentation of data.

• mathematical

• descriptive

• inferential

• population

Classify the following as descriptive or inferential statistics.
The average salary of the graduates of the class of 1980 is $32,500.

• Descriptive

• Inferential

10% of college students are predicted to travel out the country during spring break.

• Inferential

• Descriptive

Which branch of statistics can summarize their data charts, table, and graphs?

• Inferential

• Descriptive

The following table shows the annual salaries earned by employees of a small company. What is the mean?

• 75,650

• 54,950

• 42,750

• 51,000