Question 1

Which of the following is an INAPPROPRIATE unit of analysis in Geographic Information Systems?

Accepted Answer

A) countries 
B) states 
C) fire departments 
D) census tracts 
E) cities

Question 2

A gamma value of .7 indicates a stronger relationship than a gamma value of -7.

Accepted Answer

A) True 
 B)False

Question 3

You should allow the computer to generate the path model.

Accepted Answer

A) True 
 B)False

Question 4

Given the following computer printout from a factor analysis, which of the following statements is TRUE? ​

Accepted Answer

A) There are seven factors. 
B) There are seven variables. 
C) Factor #7 could be eliminated from the analysis. 
D) Variable #2 is most important for factor #2. 
E) Variable #3 tells us nothing.

Question 5

Illustrate the logic of path analysis by constructing and interpreting a path diagram that traces the relationships among three or more variables.

Accepted Answer

The answer of Illustrate the logic of path analysis by...

Question 6

Professor Triker is interested in examining the occupational mobility of women in the United States. Triker believes that people's first job affects their second job and that job in turn affects their third job, and so on. To analyze the data Triker should use:

Accepted Answer

A) factor analysis. 
B) time-series analysis. 
C) two-way analysis of variance. 
D) smallest-space analysis. 
E) curvilinear regression analysis.

Question 7

Using simple random sampling, 100 males were drawn from a population and asked their age. The mean age for these men was 22. The standard error for the sample was 5. We are 68% confident that the population parameter is:

Accepted Answer

A) 22. 
B) between 19.5 and 24.5. 
C) between 17 and 27. 
D) between 12 and 32. 
E) between 10 and 30.

Question 8

In path analysis, the statistic measuring the strength of a relationship between pairs of variables with the effect of other variables held constant is called:

Accepted Answer

A) a path coefficient. 
B) a partial epsilon. 
C) a coefficient of alienation. 
D) residual variance. 
E) a variance coefficient.

Question 9

A disadvantage of factor analysis is that it does not permit hypotheses to be disconfirmed.

Accepted Answer

A) True 
 B)False

Question 10

In a 2×3 table how many cells do we need to fill in before the remainder of the table is determined by the marginal frequencies?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 11

An appropriate measure of association for the data presented below is:

Accepted Answer

A) gamma. 
B) lambda. 
C) chi square. 
D) Pearson's product moment correlation. 
E) alpha.

Question 12

The proportionate reduction in error is related to the strength of the relationship between two variables.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is NOT an assumption underlying the use of inferential statistics?

Accepted Answer

A) sample must be drawn from the population about which inferences are to be made 
B) nonprobability sampling 
C) 100% completion rate 
D) sampling with replacement 
E) simple random sampling

Question 14

If an association is statistically significant, it is an important relationship.

Accepted Answer

A) True 
 B)False

Question 15

Inferential statistics are used primarily for describing samples.

Accepted Answer

A) True 
 B)False

Question 16

Basically, path analysis attempts to:

Accepted Answer

A) study a relationship between two variables with a third variable held constant. 
B) examine a nonlinear relationship between two variables. 
C) describe relationships among variables by developing causal models. 
D) determine the irreducible factors underlying a series of variables. 
E) represent relationships as distances between points.

Question 17

The appropriate measure of association for two nominal-level variables is:

Accepted Answer

A) lambda. 
B) omega. 
C) gamma. 
D) alpha. 
E) PRE.

Question 18

A gamma value of 3.3 indicates:

Accepted Answer

A) an extremely strong relationship. 
B) an error in calculations. 
C) a moderately weak relationship. 
D) an extremely weak relationship. 
E) no relationship at all.

Question 19

Which of the following hypotheses assumes that there is no relationship between two variables?

Accepted Answer

A) research 
B) null 
C) alternate 
D) secondary 
E) substantive

Question 20

A .05 level of significance means that:

Accepted Answer

A) there is only a 5% chance that the statistic's value could be obtained as a result of sampling error. 
B) one is 50% certain that the sample value is representative of the population. 
C) there is only a 5% chance that the variables tested are not independent. 
D) the results can be accepted because the sampling error is only 5%. 
E) the level of confidence is only 5%.

Exam 16: Statistical Analyses

Which of the following is an INAPPROPRIATE unit of analysis in Geographic Information Systems?

A gamma value of .7 indicates a stronger relationship than a gamma value of -7.

You should allow the computer to generate the path model.

Given the following computer printout from a factor analysis, which of the following statements is TRUE? ​

Illustrate the logic of path analysis by constructing and interpreting a path diagram that traces the relationships among three or more variables.

Professor Triker is interested in examining the occupational mobility of women in the United States. Triker believes that people's first job affects their second job and that job in turn affects their third job, and so on. To analyze the data Triker should use:

Using simple random sampling, 100 males were drawn from a population and asked their age. The mean age for these men was 22. The standard error for the sample was 5. We are 68% confident that the population parameter is:

In path analysis, the statistic measuring the strength of a relationship between pairs of variables with the effect of other variables held constant is called:

A disadvantage of factor analysis is that it does not permit hypotheses to be disconfirmed.

In a 2×3 table how many cells do we need to fill in before the remainder of the table is determined by the marginal frequencies?

An appropriate measure of association for the data presented below is:

The proportionate reduction in error is related to the strength of the relationship between two variables.

Which of the following is NOT an assumption underlying the use of inferential statistics?

If an association is statistically significant, it is an important relationship.

Inferential statistics are used primarily for describing samples.

Basically, path analysis attempts to:

The appropriate measure of association for two nominal-level variables is:

A gamma value of 3.3 indicates:

Which of the following hypotheses assumes that there is no relationship between two variables?

A .05 level of significance means that:

Given the following computer printout from a factor analysis, which of the following statements is TRUE?