Question 1

Sometimes variables may be bimodal,which means that two categories have similar,and relatively high,frequencies.

Accepted Answer

A) True 
 B)False

Question 2

When the total variation of a regression equation has been decomposed into that attributable to the regression,the remainder is attributable to error.

Accepted Answer

A) True 
 B)False

Question 3

The smaller a researcher sets the significance level,the

Accepted Answer

A)  larger the probability of Type I error 
B)  larger the probability of Type II error 
C)  smaller the probability of Type II error 
D)  smaller the confidence level 
A)  larger the probability of Type I error 
B)  larger the probability of Type II error 
C)  smaller the probability of Type II error 
D)  smaller the confidence level

Question 4

Identify the three types of measures of central tendency.Discuss when each is appropriate to use.

Accepted Answer

The three measures of central tendency a

Question 5

The z-test is an appropriate inferential statistical method for ordinal data if the sample size is large and the population standard deviation is not known.

Accepted Answer

A) True 
 B)False

Question 6

What are a z-test and a t-test,and when should each be used?

Accepted Answer

The z-test and t-test are both inferenti

Question 7

Given the following abbreviated table of critical values,
 
For the hypothesis in question #20,what is the appropriate critical value if one wants a 95 percent confidence level?

Accepted Answer

A)  1.64 
B)  1.96 
C)  2.24 
D)  2.33 
E)  2.47
F) none of the above 
A)  1.64 
B)  1.96 
C)  2.24 
D)  2.33 
E)  2.47
F) none of the above

Question 8

Three measures of dispersion are often used in marketing research: the mean,the median,and the mode.

Accepted Answer

A) True 
 B)False

Question 9

Both descriptive and inferential techniques must be chosen to match the scale level (nominal,ordinal,or interval)inherent in the variable(s)being analyzed.

Accepted Answer

A) True 
 B)False

Question 10

The exact percentage of variation shared by two variables is calculated by squaring r,which is called the

Accepted Answer

A)  scale-independent relationship 
B)  linear correlation coefficient 
C)  coefficient of determination 
D)  least sum of squares 
A)  scale-independent relationship 
B)  linear correlation coefficient 
C)  coefficient of determination 
D)  least sum of squares

Question 11

To determine if there is a relationship between two nominal variables,researchers would use

Accepted Answer

A)  simple regression 
B)  cross-tabulation and chi-square test on the two variables being independent 
C)  cross-tabulation and relative frequencies of independent variables 
D)  bivariate regression 
A)  simple regression 
B)  cross-tabulation and chi-square test on the two variables being independent 
C)  cross-tabulation and relative frequencies of independent variables 
D)  bivariate regression

Question 12

The _______________ is an especially important and useful measure when data contain outliers.

Accepted Answer

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

Question 13

The mode is defined as the middle value when data are arranged in order of magnitude.

Accepted Answer

A) True 
 B)False

Question 14

Identify and describe the types of error,their associated terminology and symbology,and how they are generally encountered in hypothesis testing.

Accepted Answer

Type I error (@#LAT-DLM&)is generally specified at

Question 15

Inferential statistics use probability theory to

Accepted Answer

A)  make statements about the population 
B)  make statements about a sample 
C)  describe a sample 
D)  describe the overall distribution of samples 
A)  make statements about the population 
B)  make statements about a sample 
C)  describe a sample 
D)  describe the overall distribution of samples

Question 16

The F-test measures the proportion of variation in the dependent variable explained by the entire model,including all the independent variables taken together.

Accepted Answer

A) True 
 B)False

Question 17

Once a sample statistic is obtained and compared to the value specified by the null hypothesis,the null hypothesis can be rejected if the difference

Accepted Answer

A)  is greater than zero 
B)  is greater than that due to sampling error 
C)  between the standard deviations is above 1.96 
D)  is greater than what is stated in the alternative hypothesis 
A)  is greater than zero 
B)  is greater than that due to sampling error 
C)  between the standard deviations is above 1.96 
D)  is greater than what is stated in the alternative hypothesis

Question 18

A statistic that is resistant to large changes when the data changes slightly is said to be bimodal.

Accepted Answer

A) True 
 B)False

Question 19

Outline the steps involved in hypothesis testing.

Accepted Answer

Hypothesis testing involves the followin

Question 20

The alternative hypothesis should be stated as a parameter being

Accepted Answer

A)  not equal to the value in H0 
B)  equal to the value in H0 
C)  greater than the value in H0 
D)  less than the value in H0 
E)  either a, c, or d 
A)  not equal to the value in H0 
B)  equal to the value in H0 
C)  greater than the value in H0 
D)  less than the value in H0 
E)  either a, c, or d

Sometimes variables may be bimodal,which means that two categories have similar,and relatively high,frequencies.

When the total variation of a regression equation has been decomposed into that attributable to the regression,the remainder is attributable to error.

The smaller a researcher sets the significance level,the

Identify the three types of measures of central tendency.Discuss when each is appropriate to use.

The z-test is an appropriate inferential statistical method for ordinal data if the sample size is large and the population standard deviation is not known.

What are a z-test and a t-test,and when should each be used?

Given the following abbreviated table of critical values, For the hypothesis in question #20,what is the appropriate critical value if one wants a 95 percent confidence level?

Three measures of dispersion are often used in marketing research: the mean,the median,and the mode.

Both descriptive and inferential techniques must be chosen to match the scale level (nominal,ordinal,or interval)inherent in the variable(s)being analyzed.

The exact percentage of variation shared by two variables is calculated by squaring r,which is called the

To determine if there is a relationship between two nominal variables,researchers would use

The _______________ is an especially important and useful measure when data contain outliers.

The mode is defined as the middle value when data are arranged in order of magnitude.

Identify and describe the types of error,their associated terminology and symbology,and how they are generally encountered in hypothesis testing.

Inferential statistics use probability theory to

The F-test measures the proportion of variation in the dependent variable explained by the entire model,including all the independent variables taken together.

Once a sample statistic is obtained and compared to the value specified by the null hypothesis,the null hypothesis can be rejected if the difference

A statistic that is resistant to large changes when the data changes slightly is said to be bimodal.

Outline the steps involved in hypothesis testing.

The alternative hypothesis should be stated as a parameter being

The Purpose and Process of Marketing Research

Research Design and Data Sources

Measurement in Marketing Research

Causal Designs and Marketing Experiments

Data Collection: Exploratory and Conclusive Research

Designing Surveys and Data Collection Instruments

Sampling

Multiple Regression: Modeling Multivariate Relationships

Multivariate Methods of Marketing Research I: Factor, cluster, and Discriminant Analyses

Multivariate Methods of Marketing Reseach Ii: Conjoint Analysis and Multidimensional Scaling

Advanced Topics, research Frontiers, and Preparing the Final Report

Filters

Exam 8: Data Analysis and Statistical Methods: Univariate and Bivariate Analyses

Sometimes variables may be bimodal,which means that two categories have similar,and relatively high,frequencies.

When the total variation of a regression equation has been decomposed into that attributable to the regression,the remainder is attributable to error.

The smaller a researcher sets the significance level,the

Identify the three types of measures of central tendency.Discuss when each is appropriate to use.

The z-test is an appropriate inferential statistical method for ordinal data if the sample size is large and the population standard deviation is not known.

What are a z-test and a t-test,and when should each be used?

Given the following abbreviated table of critical values, For the hypothesis in question #20,what is the appropriate critical value if one wants a 95 percent confidence level?

Three measures of dispersion are often used in marketing research: the mean,the median,and the mode.

Both descriptive and inferential techniques must be chosen to match the scale level (nominal,ordinal,or interval)inherent in the variable(s)being analyzed.

The exact percentage of variation shared by two variables is calculated by squaring r,which is called the

To determine if there is a relationship between two nominal variables,researchers would use

The _______________ is an especially important and useful measure when data contain outliers.

The mode is defined as the middle value when data are arranged in order of magnitude.

Identify and describe the types of error,their associated terminology and symbology,and how they are generally encountered in hypothesis testing.

Inferential statistics use probability theory to

The F-test measures the proportion of variation in the dependent variable explained by the entire model,including all the independent variables taken together.

Once a sample statistic is obtained and compared to the value specified by the null hypothesis,the null hypothesis can be rejected if the difference

A statistic that is resistant to large changes when the data changes slightly is said to be bimodal.

Outline the steps involved in hypothesis testing.

The alternative hypothesis should be stated as a parameter being

The Purpose and Process of Marketing Research

Research Design and Data Sources

Measurement in Marketing Research

Causal Designs and Marketing Experiments

Data Collection: Exploratory and Conclusive Research

Designing Surveys and Data Collection Instruments

Sampling

Multiple Regression: Modeling Multivariate Relationships

Multivariate Methods of Marketing Research I: Factor, cluster, and Discriminant Analyses

Multivariate Methods of Marketing Reseach Ii: Conjoint Analysis and Multidimensional Scaling

Advanced Topics, research Frontiers, and Preparing the Final Report

Filters