Question 1

The t statistic is calculated by assuming that all of the following exists EXCEPT:

Accepted Answer

A)  the variable is normally distributed. 
B)  the mean is known. 
C)  the population variance is estimated from the sample. 
D)  the sample size is large. 
E)  C and D 
A)  the variable is normally distributed. 
B)  the mean is known. 
C)  the population variance is estimated from the sample. 
D)  the sample size is large. 
E)  C and D

Question 2

________ tests provide inferences for making statements about the means of parent populations.

Accepted Answer

A)  Non-parametric 
B)  Parametric 
C)  Parallel 
D)  Regression 
E)  Parent population 
A)  Non-parametric 
B)  Parametric 
C)  Parallel 
D)  Regression 
E)  Parent population

Question 3

For a large sample size,the t distribution approaches the normal distribution.Thus,the t-test and the z-test are equivalent.

Accepted Answer

A) True 
 B)False

Question 4

Analysis of variance is a statistical technique for examining the differences among means for two or more populations.

Accepted Answer

A) True 
 B)False

Question 5

The categorical independent variables used in an analysis of variance are called ________.

Accepted Answer

A)  factors 
B)  records 
C)  elements 
D)  variables 
E)  correlations 
A)  factors 
B)  records 
C)  elements 
D)  variables 
E)  correlations

Question 6

One-way analysis of variance involves only one categorical variable,or a single factor that defines the different samples or groups.

Accepted Answer

A) True 
 B)False

Question 7

According to the text,the independent variables must be all nonmetric to use an ANOVA.

Accepted Answer

A) True 
 B)False

Question 8

________ is a statistical technique for examining the differences among means for two or more populations.

Accepted Answer

A)  Paired samples t-test 
B)  Factor analysis 
C)  Distribution of variance 
D)  Analysis of variance 
E)  Discriminant analysis 
A)  Paired samples t-test 
B)  Factor analysis 
C)  Distribution of variance 
D)  Analysis of variance 
E)  Discriminant analysis

Question 9

According to the text,the ________ can be conducted on the means of one sample or two samples of observations.

Accepted Answer

A)  F-test 
B)  p-test 
C)  t-test 
D)  z-test 
E)  k-means test 
A)  F-test 
B)  p-test 
C)  t-test 
D)  z-test 
E)  k-means test

Question 10

Eta² varies between -1 and 1.

Accepted Answer

A) True 
 B)False

Question 11

The F static is computed as the ratio of two sample means.

Accepted Answer

A) True 
 B)False

Question 12

The critical value for a one-tailed z-test,given a significance level of 0.05,would be ________.

Accepted Answer

A)  either -1.96 or 1.96 
B)  either -4.0 or 4.0 
C)  either -1.25 or 1.25 
D)  either -1.71 or 1.71 
E)  either -1.645 or 1.645 
A)  either -1.96 or 1.96 
B)  either -4.0 or 4.0 
C)  either -1.25 or 1.25 
D)  either -1.71 or 1.71 
E)  either -1.645 or 1.645

Question 13

In advertising testing,attitude toward the brand was measured for respondents of a sample before and after seeing an ad for a brand.A one-sample t-test would then be used to evaluate whether the ad had any effect on attitude toward the ad.

Accepted Answer

A) True 
 B)False

Question 14

Eta² is the correlation between two variables.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A)  Non-parametric tests 
B)  Parametric tests 
C)  Parallel tests 
D)  Regression tests 
E)  Interval tests 
A)  Non-parametric tests 
B)  Parametric tests 
C)  Parallel tests 
D)  Regression tests 
E)  Interval tests

Question 16

________ indicates that some differences exist between some of the treatment groups.

Accepted Answer

A)  Decomposition of the total variation 
B)  Predisposed total variation 
C)  Total analysis of variation 
D)  Significance of the overall effect 
E)  Divergent validity 
A)  Decomposition of the total variation 
B)  Predisposed total variation 
C)  Total analysis of variation 
D)  Significance of the overall effect 
E)  Divergent validity

Question 17

An ANOVA technique in which there is only one factor is called two-way analysis of variance.

Accepted Answer

A) True 
 B)False

Question 18

In many marketing research applications,the observations for two groups are not selected from independent samples.Rather,the observations relate to paired samples in that the two sets of observations relate to the same respondents.

Accepted Answer

A) True 
 B)False

Question 19

A two-tailed test is more conservative than the corresponding one-tailed test.

Accepted Answer

A) True 
 B)False

Question 20

A z-test is a univariate hypothesis test using the standard normal distribution.

Accepted Answer

A) True 
 B)False

The t statistic is calculated by assuming that all of the following exists EXCEPT:

________ tests provide inferences for making statements about the means of parent populations.

For a large sample size,the t distribution approaches the normal distribution.Thus,the t-test and the z-test are equivalent.

Analysis of variance is a statistical technique for examining the differences among means for two or more populations.

The categorical independent variables used in an analysis of variance are called ________.

One-way analysis of variance involves only one categorical variable,or a single factor that defines the different samples or groups.

According to the text,the independent variables must be all nonmetric to use an ANOVA.

________ is a statistical technique for examining the differences among means for two or more populations.

According to the text,the ________ can be conducted on the means of one sample or two samples of observations.

Eta² varies between -1 and 1.

The F static is computed as the ratio of two sample means.

The critical value for a one-tailed z-test,given a significance level of 0.05,would be ________.

In advertising testing,attitude toward the brand was measured for respondents of a sample before and after seeing an ad for a brand.A one-sample t-test would then be used to evaluate whether the ad had any effect on attitude toward the ad.

Eta² is the correlation between two variables.

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

________ indicates that some differences exist between some of the treatment groups.

An ANOVA technique in which there is only one factor is called two-way analysis of variance.

In many marketing research applications,the observations for two groups are not selected from independent samples.Rather,the observations relate to paired samples in that the two sets of observations relate to the same respondents.

A two-tailed test is more conservative than the corresponding one-tailed test.

A z-test is a univariate hypothesis test using the standard normal distribution.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Syndicated Sources of 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 Collection

Data Preparation and Analysis Strategy

Frequency Distribution,hypothesis Testing,and Cross-Tabulation

Correlation and Regression

Report Preparation and Presentation

Filters

Exam 17: Hypothesis Testing Related to Differences

The t statistic is calculated by assuming that all of the following exists EXCEPT:

________ tests provide inferences for making statements about the means of parent populations.

For a large sample size,the t distribution approaches the normal distribution.Thus,the t-test and the z-test are equivalent.

Analysis of variance is a statistical technique for examining the differences among means for two or more populations.

The categorical independent variables used in an analysis of variance are called ________.

One-way analysis of variance involves only one categorical variable,or a single factor that defines the different samples or groups.

According to the text,the independent variables must be all nonmetric to use an ANOVA.

________ is a statistical technique for examining the differences among means for two or more populations.

According to the text,the ________ can be conducted on the means of one sample or two samples of observations.

Eta² varies between -1 and 1.

The F static is computed as the ratio of two sample means.

The critical value for a one-tailed z-test,given a significance level of 0.05,would be ________.

In advertising testing,attitude toward the brand was measured for respondents of a sample before and after seeing an ad for a brand.A one-sample t-test would then be used to evaluate whether the ad had any effect on attitude toward the ad.

Eta² is the correlation between two variables.

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

________ indicates that some differences exist between some of the treatment groups.

An ANOVA technique in which there is only one factor is called two-way analysis of variance.

In many marketing research applications,the observations for two groups are not selected from independent samples.Rather,the observations relate to paired samples in that the two sets of observations relate to the same respondents.

A two-tailed test is more conservative than the corresponding one-tailed test.

A z-test is a univariate hypothesis test using the standard normal distribution.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Syndicated Sources of 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 Collection

Data Preparation and Analysis Strategy

Frequency Distribution,hypothesis Testing,and Cross-Tabulation

Correlation and Regression

Report Preparation and Presentation

Filters