Question 1

The tendency of the deviations from the mean to be larger in one direction than in the other is called ________.

Accepted Answer

A) kurtosis 
B) type I error 
C) skewness 
D) type II error 
A) kurtosis 
B) type I error 
C) skewness 
D) type II error C

Question 2

________ are hypothesis testing procedures that assume that the variables of interest are measured on at least an interval scale.

Accepted Answer

A) Parameter tests 
B) Parametric tests 
C) Nonparametric tests 
D) None of the above 
A) Parameter tests 
B) Parametric tests 
C) Nonparametric tests 
D) None of the above B

Question 3

Paired samples are two samples that are not experimentally related.

Accepted Answer

A) True 
 B)False  False

Question 4

For the parametric case,involving proportions for two independent samples,the null and alternative hypotheses are ________.

Accepted Answer

A) H0:μ1 = μ2 H1:μ1 ≠ μ2 
B) H0:σ12 = σ22 H1:σ12 ≠ σ22 
C) H0:μ ≤ 4.0 H1:μ > 4.0 
D) H0: π1 = π2 H1: π1 ≠ π2 
A) H0:μ1 = μ2 H1:μ1 ≠ μ2 
B) H0:σ12 = σ22 H1:σ12 ≠ σ22 
C) H0:μ ≤ 4.0 H1:μ > 4.0 
D) H0: π1 = π2 H1: π1 ≠ π2

Question 5

Hypothesis tests can be related to ________.

Accepted Answer

A) tests of strength 
B) tests of association 
C) tests of differences 
D) B and C are correct 
A) tests of strength 
B) tests of association 
C) tests of differences 
D) B and C are correct

Question 6

The null hypothesis,H0,when using the chi-square statistic,is that there is no association between the variables.

Accepted Answer

A) True 
 B)False

Question 7

If the probability of F is greater than the significance level α,________ and ________ should be used.

Accepted Answer

A) H0 is rejected; t based on "equal variances not assumed" 
B) H0 is not rejected; t based on "equal variances assumed" 
C) H0 is rejected; t based on "equal variances assumed" 
D) H0 is not rejected; t based on "equal variances not assumed" 
A) H0 is rejected; t based on "equal variances not assumed" 
B) H0 is not rejected; t based on "equal variances assumed" 
C) H0 is rejected; t based on "equal variances assumed" 
D) H0 is not rejected; t based on "equal variances not assumed"

Question 8

An asymmetrical lambda value of 1 happens when each independent variable category is associated with a single category of the dependent variable.

Accepted Answer

A) True 
 B)False

Question 9

The mean squared deviation of all the values from the mean is the ________.

Accepted Answer

A) standard deviation 
B) coefficient of variation 
C) variance 
D) interquartile range 
A) standard deviation 
B) coefficient of variation 
C) variance 
D) interquartile range

Question 10

When conducting marketing research,what general rules should be followed to determine when the different measures of location should be used?

Accepted Answer

If the variable is measured on a nominal

Question 11

For a given level of α,increasing the sample size will decrease β,thereby increasing the power of the test.

Accepted Answer

A) True 
 B)False

Question 12

When calculating the standard deviation,we divide by n-1 because the sample is drawn from a population and we are trying to determine how much the responses vary from the mean of the entire population.

Accepted Answer

A) True 
 B)False

Question 13

If the population standard deviation was assumed to be known,rather than estimated from the sample,a ________ would be appropriate rather than a ________.

Accepted Answer

A) z test;t test 
B) t test;F test 
C) t test;z test 
D) z test;F test 
A) z test;t test 
B) t test;F test 
C) t test;z test 
D) z test;F test

Question 14

Nonparametric tests are used when the independent variables are nonmetric.

Accepted Answer

A) True 
 B)False

Question 15

Which test is not an independent samples test?

Accepted Answer

A) Kolmogorov-Smirnov two-sample test 
B) Wilcoxon matched-pairs signed-ranks test 
C) Mann-Whitney U test 
D) two-sample median test 
A) Kolmogorov-Smirnov two-sample test 
B) Wilcoxon matched-pairs signed-ranks test 
C) Mann-Whitney U test 
D) two-sample median test

Question 16

A cross-tabulation is the merging of the frequency distribution of two or more variables in a single table to help us to understand how one variable relates to another variable.

Accepted Answer

A) True 
 B)False

Question 17

Nonparametric tests are not available in ________.

Accepted Answer

A) SAS 
B) Excel 
C) SPSS 
D) MINITAB 
A) SAS 
B) Excel 
C) SPSS 
D) MINITAB

Question 18

The ________ tests the goodness of fit of the observed number of observations in each category to the number expected under a specified binomial distribution.

Accepted Answer

A) Mann-Whitney U test 
B) sign test 
C) binomial test 
D) runs test 
A) Mann-Whitney U test 
B) sign test 
C) binomial test 
D) runs test

Question 19

In determining the critical value of the test statistic,the area to the right of the critical value is either α or α/2.It is α for a one-tail test and α/2 for a two-tail test.

Accepted Answer

A) True 
 B)False

Question 20

The chi-square statistic can be estimated on counts of data or on percentages.

Accepted Answer

A) True 
 B)False

Exam 15: Frequency Distribution,cross-Tabulation,and Hypothesis Testing

The tendency of the deviations from the mean to be larger in one direction than in the other is called ________.

________ are hypothesis testing procedures that assume that the variables of interest are measured on at least an interval scale.

Paired samples are two samples that are not experimentally related.

For the parametric case,involving proportions for two independent samples,the null and alternative hypotheses are ________.

Hypothesis tests can be related to ________.

The null hypothesis,H0,when using the chi-square statistic,is that there is no association between the variables.

If the probability of F is greater than the significance level α,________ and ________ should be used.

An asymmetrical lambda value of 1 happens when each independent variable category is associated with a single category of the dependent variable.

The mean squared deviation of all the values from the mean is the ________.

When conducting marketing research,what general rules should be followed to determine when the different measures of location should be used?

For a given level of α,increasing the sample size will decrease β,thereby increasing the power of the test.

When calculating the standard deviation,we divide by n-1 because the sample is drawn from a population and we are trying to determine how much the responses vary from the mean of the entire population.

If the population standard deviation was assumed to be known,rather than estimated from the sample,a ________ would be appropriate rather than a ________.

Nonparametric tests are used when the independent variables are nonmetric.

Which test is not an independent samples test?

A cross-tabulation is the merging of the frequency distribution of two or more variables in a single table to help us to understand how one variable relates to another variable.

Nonparametric tests are not available in ________.

The ________ tests the goodness of fit of the observed number of observations in each category to the number expected under a specified binomial distribution.

In determining the critical value of the test statistic,the area to the right of the critical value is either α or α/2.It is α for a one-tail test and α/2 for a two-tail test.

The chi-square statistic can be estimated on counts of data or on percentages.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Qualitative Research

Descriptive Research Design: Survey and Observation

Causal Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Noncomparative Scaling Techniques

Questionnaire and Form Design

Sampling: Design and Procedures

Sampling: Final and Initial Sample Size Determination

Fieldwork

Data Preparation

Analysis of Variance and Covariance

Correlation and Regression

Discriminant and Logit Analysis

Factor Analysis

Cluster Analysis

Multidimensional Scaling and Conjoint Analysis

Structural Equation Modeling and Path Analysis

Report Preparation and Presentation

Filters

The null hypothesis,H₀,when using the chi-square statistic,is that there is no association between the variables.

If the probability of F is greater than the significance level α, and should be used.

If the population standard deviation was assumed to be known,rather than estimated from the sample,a would be appropriate rather than a .