Question 1

The binomial test is a test of randomness for a dichotomous variable.

Accepted Answer

A) True 
 B)False

Question 2

The probability of Type II error (α) is also called the level of significance.

Accepted Answer

A) True 
 B)False

Question 3

The test is a nonparametric test for examining differences in the location of two populations, based on paired observations, that compares only the signs of the differences between pairs of variables without taking into account the magnitude of the differences.

Accepted Answer

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

Question 4

A statistic that describes a location within a data set is a .

Accepted Answer

A)  measure of occasion 
B)  measure of variability 
C)  measure of location 
D)  measure of shapes 
A)  measure of occasion 
B)  measure of variability 
C)  measure of location 
D)  measure of shapes

Question 5

When the data points are scattered, variance is small.

Accepted Answer

A) True 
 B)False

Question 6

In a symmetric distribution, the values on either side of the center of the distribution are the same, and the mean, mode, and median are equal.

Accepted Answer

A) True 
 B)False

Question 7

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 8

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 9

Paired samples are two samples that are not experimentally related.

Accepted Answer

A) True 
 B)False

Question 10

The valid percentage column in a frequency distribution represents percentages calculated by excluding the cases with missing values.

Accepted Answer

A) True 
 B)False

Question 11

For the parametric case involving the means of paired samples, the null and alternative hypotheses are .

Accepted Answer

A)  H0: a12 = a22
H1: a12 × a22 
B)  H0: µ1 = µ2 
H1: µ1 × µ2 
C)  H0: n1 = n2 
H1: n1 × n2 
D)  H0: µD = 0
 H1: µD × 0 
A)  H0: a12 = a22
H1: a12 × a22 
B)  H0: µ1 = µ2 
H1: µ1 × µ2 
C)  H0: n1 = n2 
H1: n1 × n2 
D)  H0: µD = 0
 H1: µD × 0

Question 12

The degrees of freedom for the t statistic to test the hypothesis about two independent samples is .

Accepted Answer

A)  n 
B)  n1 +n2 - 2 
C)  n - 1 
D)  n1 + n2 
A)  n 
B)  n1 +n2 - 2 
C)  n - 1 
D)  n1 + n2

Question 13

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

Question 14

A frequency distribution helps .

Accepted Answer

A)  determine the shape of the empirical distribution of the variable 
B)  us to understand how one variable, X, relates to another variable, Y 
C)  determine how close a sample comes to the null hypothesis 
D)  determine if a systematic association exists between two variables 
A)  determine the shape of the empirical distribution of the variable 
B)  us to understand how one variable, X, relates to another variable, Y 
C)  determine how close a sample comes to the null hypothesis 
D)  determine if a systematic association exists between two variables

The binomial test is a test of randomness for a dichotomous variable.

The probability of Type II error (α) is also called the level of significance.

The test is a nonparametric test for examining differences in the location of two populations, based on paired observations, that compares only the signs of the differences between pairs of variables without taking into account the magnitude of the differences.

A statistic that describes a location within a data set is a .

When the data points are scattered, variance is small.

In a symmetric distribution, the values on either side of the center of the distribution are the same, and the mean, mode, and median are equal.

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

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.

Paired samples are two samples that are not experimentally related.

The valid percentage column in a frequency distribution represents percentages calculated by excluding the cases with missing values.

For the parametric case involving the means of paired samples, the null and alternative hypotheses are .

The degrees of freedom for the t statistic to test the hypothesis about two independent samples is .

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.

A frequency distribution helps .

Introduction to Marketing

Defining the Marketing Research

Research Design

Exploratory Research Design

Exploratory Research Design

Descriptive Research Design

Causal Research Design

Measurement and Scaling

Measurement and Scaling

Questionnaire and Form

Sampling: Design and

Sampling: Final and Initial

Fieldwork

Data Preparation

Analysis of Variance and

Correlation and Regression

Discriminant and Logit

Factor Analysis

Cluster Analysis

Multidimensional Scaling and

Structural Equation Modeling

Report Preparation and

International Marketing

Filters

Exam 15: Frequency Distribution, Crosstabulation, and Hypothesis

The binomial test is a test of randomness for a dichotomous variable.

The probability of Type II error (α) is also called the level of significance.

The test is a nonparametric test for examining differences in the location of two populations, based on paired observations, that compares only the signs of the differences between pairs of variables without taking into account the magnitude of the differences.

A statistic that describes a location within a data set is a .

When the data points are scattered, variance is small.

In a symmetric distribution, the values on either side of the center of the distribution are the same, and the mean, mode, and median are equal.

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

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.

Paired samples are two samples that are not experimentally related.

The valid percentage column in a frequency distribution represents percentages calculated by excluding the cases with missing values.

For the parametric case involving the means of paired samples, the null and alternative hypotheses are .

The degrees of freedom for the t statistic to test the hypothesis about two independent samples is .

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.

A frequency distribution helps .

Introduction to Marketing

Defining the Marketing Research

Research Design

Exploratory Research Design

Exploratory Research Design

Descriptive Research Design

Causal Research Design

Measurement and Scaling

Measurement and Scaling

Questionnaire and Form

Sampling: Design and

Sampling: Final and Initial

Fieldwork

Data Preparation

Analysis of Variance and

Correlation and Regression

Discriminant and Logit

Factor Analysis

Cluster Analysis

Multidimensional Scaling and

Structural Equation Modeling

Report Preparation and

International Marketing

Filters