Deck 1: Introduction

Question 1

When using interval data, one cannot

A) set up inequalities.
B) form differences.
C) divide.
D) do any of these.

Answer 1

divide.

Question 2

When using ratio data, one cannot

A) set up inequalities.
B) form differences.
C) divide.
D) can do any of these.

Answer 2

can do any of these.

Question 3

A type of data that does not allow inequalities to have meaning is _______ data.

A) nominal
B) ordinal
C) interval
D) ratio

Answer 3

nominal

Question 4

A type of data in which zero indicates the absence of a certain property is _______ data.

A) nominal
B) ordinal
C) interval
D) ratio

Question 5

Measurements of height involve which kind of data?

A) nominal
B) ordinal
C) interval
D) ratio

Question 6

If the apartment numbers in a large building are looked upon as data, they would fall into the _______ category.

A) nominal
B) ordinal
C) interval
D) ratio

Question 7

The annual sales for a manufacturing company for each of the past five years were $\$ 600,000, \$ 721,000, \$ 138,000, \$ 621,000$ , $\$ 865,000$ . Which of the following conclusions can be obtained from these figures by purely descriptive methods, and which require generalizations?
-With the information provided, solve the following: Among the five years, the highest sales were in the fifth year.

Question 8

The annual sales for a manufacturing company for each of the past five years were $\$ 600,000, \$ 721,000, \$ 138,000, \$ 621,000$ , $\$ 865,000$ . Which of the following conclusions can be obtained from these figures by purely descriptive methods, and which require generalizations?
-With the information provided, solve the following: The sales exceeded $\$ 800,000$ in one of the five years.

Question 9

The annual sales for a manufacturing company for each of the past five years were $\$ 600,000, \$ 721,000, \$ 138,000, \$ 621,000$ , $\$ 865,000$ . Which of the following conclusions can be obtained from these figures by purely descriptive methods, and which require generalizations?
-With the information provided, solve the following: The sales increased from the fourth to the fifth year because of increased advertising expense.

Question 10

The annual sales for a manufacturing company for each of the past five years were $\$ 600,000, \$ 721,000, \$ 138,000, \$ 621,000$ , $\$ 865,000$ . Which of the following conclusions can be obtained from these figures by purely descriptive methods, and which require generalizations?
-With the information provided, solve the following: Sales were low in the third year because of the recession.

Question 11

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Scores of a basketball team in each of 10 games

Question 12

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Social Security numbers

Question 13

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Responses to a question concerning the evaluation of the service at a particular restaurant in which the categories are 5 (excellent) to 1 (poor)

Question 14

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Grades on a test in which the lowest grade is 0

Question 15

Explain why the following data may fail to yield the desired information.

-To predict a local election, a pollster samples only people who are leaving an expensive restaurant.

Question 16

Explain why the following data may fail to yield the desired information.

-To determine students' opinions concerning the construction of a new building, an interviewer asks students, "Do you want the school to construct a new building, which will have the effect of raising tuition?"

Question 17

On a statistics test, five students in a large class obtained the grades $75,84,92,87,84$ . Can the following conclusion be obtained by purely descriptive methods or does it require a generalization? Explain your answer.

-None of the grades differs from 83 by more than 8 points.

Question 18

On a statistics test, five students in a large class obtained the grades $75,84,92,87,84$ . Can the following conclusion be obtained by purely descriptive methods or does it require a generalization? Explain your answer.

-The most common grade is 84 .

Question 19

On a statistics test, five students in a large class obtained the grades $75,84,92,87,84$ . Can the following conclusion be obtained by purely descriptive methods or does it require a generalization? Explain your answer.

-The most common grade in the whole class is 84 .

Question 20

On a statistics test, five students in a large class obtained the grades $75,84,92,87,84$ . Can the following conclusion be obtained by purely descriptive methods or does it require a generalization? Explain your answer.

-If another five students are selected, all grades will be between 75 and 92.

Question 21

Explain why the following may lead to useless data:

-To predict the public view of a proposed gun control law, a poll taker interviews people walking out of a local gun club.

Question 22

Explain why the following may lead to useless data:

-A teacher evaluation form is administered to a class of students immediately after the whole class failed a test given by the teacher.

Question 23

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Credit card numbers

Question 24

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Stock prices

Question 25

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Telephone numbers

Question 26

Is the following nominal, ordinal, interval, or ratio data? Explain your answer.
-Supermarket customers rank order their preferences for 10 products.

Question 27

For an interviewer who wants accurate information, it is undesirable to "beg the question."

Question 28

"Begging the question" is involved when the sample of people is not appropriate for the study.

Question 29

Descriptive statistics involves making generalizations.

Question 30

The art of describing the data belongs under the heading of statistical inference.

Question 31

For nominal data, we cannot set up inequalities.

Question 32

With ordinal data we are allowed to _______.

Question 33

For interval data, we can _______, but for ordinal data we cannot.

Question 34

For ordinal data, we can _______, but for nominal data we cannot.

Question 35

For ratio data, we can _______, but for interval data we cannot.

Question 36

If an interviewer asks the question "Do you approve of the President's big spending policy?", he is making the error of _______.

Question 37

If the difficulty level of books is ranked from 1 to 10, a set of data rankings of books falls into the category of _______ data.