Question 1

The ""do not know"" or ""no opinion"" responses will almost always be underrepresented in the final data.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is (are) a useful measure(s) of central tendency when the data are ordinal?

Accepted Answer

A)  Mode and median 
B)  Mode, median, mean, standard deviation 
C)  Mode 
D)  Mode, median, mean, standard deviation, geometric and harmonic mean

Question 3

To use a chi-square test to examine cross-tabulated data, the

Accepted Answer

A)  data can be in the form of numbers or percentages, and there must be at least 50 or more "counts' in each cell 
B)  data must be in the form of percentages, not numbers, and there must be at least 5 or more "counts' in each cell 
C)  data must be in the form of numbers, not percentages, and there must be at least 5 or more "counts' in each cell 
D)  data must be in the form of numbers, not percentages, and there must be at least 10 or more "counts' in each cell

Question 4

There is no single procedure or tool of data analysis that will avoid all erroneous conclusions.

Accepted Answer

A) True 
 B)False

Question 5

The same analysis and observation of objective data may be subject to multiple interpretations.

Accepted Answer

A) True 
 B)False

Question 6

In reporting two-way cross tabulation, evidence of a positive relationship between variables

Accepted Answer

A)  is usually by accident and does not indicate a significant relationship 
B)  indicates some type of causal relationship may exist 
C)  does provide evidence that the variables are causally related 
D)  does not provide evidence that the variables are causally related

Question 7

The most important appeal of banners is that they allow for looking at survey questions crossed by the most important variables.

Accepted Answer

A) True 
 B)False

Question 8

The ____ is the average of the responses computed by summing all responses and dividing by the number of responses.

Accepted Answer

A)  mean 
B)  median 
C)  mode 
D)  standard deviation

Question 9

In a single cross-tabulated table

Accepted Answer

A)  the independent variable would normally be placed down the side 
B)  the dependent variable would normally be placed down the side 
C)  the dependent variable would normally be placed across the top 
D)  only one variable is examined so it will be placed along the left side

Question 10

The ""do not know"" or ""no opinion"" responses will almost always be overrepresented in the final data

Accepted Answer

A) True 
 B)False

Question 11

Frequency distributions can be applied to nominal, ordinal, and interval data, but not ratio data.

Accepted Answer

A) True 
 B)False

Question 12

Evidence of a positive relationship between variables provides evidence that the variables should be thought of as causally related.

Accepted Answer

A) True 
 B)False

Question 13

The standard deviation tells us the range of answers that includes approximately 70% of the sampled respondents.

Accepted Answer

A) True 
 B)False

Question 14

The mode is the response that separates the top half of response frequencies from the bottom half.

Accepted Answer

A) True 
 B)False

Question 15

For interval data, the measure(s) of central tendency and dispersion that can be computed is(are)

Accepted Answer

A)  mode, median, mean, standard deviation 
B)  mode, median 
C)  mode, median, mean, standard deviation, geometric and harmonic mean 
D)  mode

Question 16

The standard deviation for the responses helps assess the mean's ability to accurately reflect the sample respondents' responses.

Accepted Answer

A) True 
 B)False

Question 17

The smaller the standard deviation the

Accepted Answer

A)  closer are the actual responses to the mean 
B)  further are the actual responses from the mean 
C)  larger is the standard deviation relative to the range of responses 
D)  fewer are the responses

Question 18

Crossing every survey question with all the variables is useful in data analysis situations.

Accepted Answer

A) True 
 B)False

Exam 11: Analyzing and Interpreting Data for Decisions

The ""do not know"" or ""no opinion"" responses will almost always be underrepresented in the final data.

Which of the following is (are) a useful measure(s) of central tendency when the data are ordinal?

To use a chi-square test to examine cross-tabulated data, the

There is no single procedure or tool of data analysis that will avoid all erroneous conclusions.

The same analysis and observation of objective data may be subject to multiple interpretations.

In reporting two-way cross tabulation, evidence of a positive relationship between variables

The most important appeal of banners is that they allow for looking at survey questions crossed by the most important variables.

The ____ is the average of the responses computed by summing all responses and dividing by the number of responses.

In a single cross-tabulated table

The ""do not know"" or ""no opinion"" responses will almost always be overrepresented in the final data

Frequency distributions can be applied to nominal, ordinal, and interval data, but not ratio data.

Evidence of a positive relationship between variables provides evidence that the variables should be thought of as causally related.

The standard deviation tells us the range of answers that includes approximately 70% of the sampled respondents.

The mode is the response that separates the top half of response frequencies from the bottom half.

For interval data, the measure(s) of central tendency and dispersion that can be computed is(are)

The standard deviation for the responses helps assess the mean's ability to accurately reflect the sample respondents' responses.

The smaller the standard deviation the

Crossing every survey question with all the variables is useful in data analysis situations.