Question 1

Measures of location or central tendency include the mean, median, and mode.

Accepted Answer

A) True 
 B)False

Question 2

If the calculated value of the test statistic is less than the critical value of the test statistic (TS CR), the null hypothesis is rejected.

Accepted Answer

A) True 
 B)False

Question 3

If the kurtosis is positive, the distribution is more peaked than a normal distribution.

Accepted Answer

A) True 
 B)False

Question 4

A frequency distribution helps determine ________.

Accepted Answer

A) the extent of nonresponse 
B) the extent of illegitimate responses 
C) the presence of outliers or cases with extreme values 
D) all of the above 
A) the extent of nonresponse 
B) the extent of illegitimate responses 
C) the presence of outliers or cases with extreme values 
D) all of the above

Question 5

The difference between the smallest and the largest values in a distribution is the ________.

Accepted Answer

A) mean 
B) median 
C) mode 
D) range 
A) mean 
B) median 
C) mode 
D) range

Question 6

The test statistic used in the Kolmogorov-Smirnov one-sample test is ________.

Accepted Answer

Question 7

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 8

The mean is sensitive to extremely small or extremely large values (outliers).

Accepted Answer

A) True 
 B)False

Question 9

When the difference in the location of two populations is to be compared based on observations from two independent samples, and the variable is measured on an ordinal scale, the ________ can be used.

Accepted Answer

A) Kolmogorov-Smirnov one-sample test 
B) runs test 
C) binomial test 
D) Mann-Whitney U test 
A) Kolmogorov-Smirnov one-sample test 
B) runs test 
C) binomial test 
D) Mann-Whitney U test

Question 10

Hypothesis-testing procedures can be broadly classified as parameter or nonparameter based on the measurement scale of the variables involved.

Accepted Answer

A) True 
 B)False

Question 11

When using the chi-square statistic in cross-tabulation, the null hypothesis (H0)will be rejected only when the calculated value of the test statistic is greater than the critical value of the chi-square distribution with the appropriate degrees of freedom.

Accepted Answer

A) True 
 B)False

Question 12

The ________ is used as a measure of the strength of association in the special case of a table with two rows and two columns (a 2 × 2 table).

Accepted Answer

A) contingency coefficient 
B) Cramer's V 
C) phi coefficient 
D) chi-square coefficient 
A) contingency coefficient 
B) Cramer's V 
C) phi coefficient 
D) chi-square coefficient

Question 13

________ is a measure of the percentage improvement in predicting the value of the dependent variable, given the value of the independent variable in contingency table analysis.

Accepted Answer

A) Tau b 
B) Symmetric lambda 
C) Asymmetric lambda 
D) Tau c 
A) Tau b 
B) Symmetric lambda 
C) Asymmetric lambda 
D) Tau c

Question 14

In tests of differences, the null hypothesis is that there is a difference (H0:.....is different than....).

Accepted Answer

A) True 
 B)False

Question 15

The ________ is a skewed distribution whose shape depends solely on the number of degrees of freedom. As the number of degrees of freedom increases, the distribution becomes more symmetrical.

Accepted Answer

A) t distribution 
B) frequency distribution 
C) chi-square distribution 
D) F distribution 
A) t distribution 
B) frequency distribution 
C) chi-square distribution 
D) F distribution

Question 16

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

Accepted Answer

A) H0:μ1 = μ2 
&nbsp&nbsp&nbsp&nbspH1:μ1 ≠ μ2 
B) H0:σ12 = σ22 
&nbsp&nbsp&nbsp&nbspH1:σ12 ≠ σ22 
C) H0:μ ≤ 4.0
&nbsp&nbsp&nbsp&nbsp H1:μ > 4.0 
D) H0: π1 = π2
&nbsp&nbsp&nbsp H1: π1 ≠ π2 
A) H0:μ1 = μ2 
&nbsp&nbsp&nbsp&nbspH1:μ1 ≠ μ2 
B) H0:σ12 = σ22 
&nbsp&nbsp&nbsp&nbspH1:σ12 ≠ σ22 
C) H0:μ ≤ 4.0
&nbsp&nbsp&nbsp&nbsp H1:μ > 4.0 
D) H0: π1 = π2
&nbsp&nbsp&nbsp H1: π1 ≠ π2

Question 17

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 18

Frequency data may be used to construct a histogram, or a vertical bar chart.

Accepted Answer

A) True 
 B)False

Question 19

Which of the research questions/hypotheses below is best answered using frequency distribution?

Accepted Answer

A) What percentage of the market consists of heavy users, medium users, light users, and nonusers? 
B) The heavy and light users of a brand differ in terms of psychographic characteristics. 
C) What is the income distribution of brand users? Is this distribution skewed toward low income brackets? 
D) Both A and C are correct. 
A) What percentage of the market consists of heavy users, medium users, light users, and nonusers? 
B) The heavy and light users of a brand differ in terms of psychographic characteristics. 
C) What is the income distribution of brand users? Is this distribution skewed toward low income brackets? 
D) Both A and C are correct.

Question 20

A mathematical distribution whose objective is to obtain a count of the number of responses associated with different values of one variable and to express these counts in percentage terms is a(n)________.

Accepted Answer

A) t distribution 
B) frequency distribution 
C) chi-square distribution 
D) distribution 
A) t distribution 
B) frequency distribution 
C) chi-square distribution 
D) distribution

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

Measures of location or central tendency include the mean, median, and mode.

If the calculated value of the test statistic is less than the critical value of the test statistic (TS CR), the null hypothesis is rejected.

If the kurtosis is positive, the distribution is more peaked than a normal distribution.

A frequency distribution helps determine ________.

The difference between the smallest and the largest values in a distribution is the ________.

The test statistic used in the Kolmogorov-Smirnov one-sample test is ________.

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 mean is sensitive to extremely small or extremely large values (outliers).

When the difference in the location of two populations is to be compared based on observations from two independent samples, and the variable is measured on an ordinal scale, the ________ can be used.

Hypothesis-testing procedures can be broadly classified as parameter or nonparameter based on the measurement scale of the variables involved.

When using the chi-square statistic in cross-tabulation, the null hypothesis (H0)will be rejected only when the calculated value of the test statistic is greater than the critical value of the chi-square distribution with the appropriate degrees of freedom.

The ________ is used as a measure of the strength of association in the special case of a table with two rows and two columns (a 2 × 2 table).

________ is a measure of the percentage improvement in predicting the value of the dependent variable, given the value of the independent variable in contingency table analysis.

In tests of differences, the null hypothesis is that there is a difference (H0:.....is different than....).

The ________ is a skewed distribution whose shape depends solely on the number of degrees of freedom. As the number of degrees of freedom increases, the distribution becomes more symmetrical.

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

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

Frequency data may be used to construct a histogram, or a vertical bar chart.

Which of the research questions/hypotheses below is best answered using frequency distribution?

A mathematical distribution whose objective is to obtain a count of the number of responses associated with different values of one variable and to express these counts in percentage terms is a(n)________.

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

International Marketing Research

Filters

If the calculated value of the test statistic is less than the critical value of the test statistic (TS _CR), the null hypothesis is rejected.

When using the chi-square statistic in cross-tabulation, the null hypothesis (H₀)will be rejected only when the calculated value of the test statistic is greater than the critical value of the chi-square distribution with the appropriate degrees of freedom.

In tests of differences, the null hypothesis is that there is a difference (H₀:.....is different than....).