Читать книгу Understanding Statistics As A Language - Robert Andrews - Страница 14

1)Classify each of the following as nominal, ordinal, interval, or ratio level data.

1)Horsepower of motorcycle engine

2)Rating of newscasts in Houston as poor, fair, good, excellent

3)Temperature of outdoors in degrees of Celsius

4)Time required by drivers to complete a course

5)Salaries of cashiers of Day-Night convenience store

6)Political party preference of faculty members

7)Age of students enrolled in a martial arts course

8)Weight of beef cattle fed a special diet

9)Ranking of contestant in a beauty contest

10)Number of pages in the telephone book for Nashville

2)In the statements that follow, which are inferential statistics and which are descriptive.

1)The average price of homes sold in Rhea County during the week of June 6-13 was $83,564.

2)According to the Census Bureau, 20% of all Americans workers carpool to work.

3)The National Eye Institute halted a clinical trial on eye surgery, calling it ineffective and possibly harmful to vision.

4)The Gallup Poll says 1 of every 20 Americans is a member of a Country Club.

5)Drinking decaffeinated coffee can raise cholesterol levels by 7%.

6)According to the Court Administrator in Nashville, 10% of the civil actions in 1998 were decided in less than 6 months.

7)Cigarettes were associated with 29% of the 4,470 civilian fire deaths in 1989.

3)Critique the statement, “statistics is a language.”

4)Compare, contrast and illustrate the four functions of statistics – summarizing, describing, generalizing, and experimenting.