Exam 15: Frequency Distribution, Crosstabulation, and Hypothesis

The McNemar test is another paired sample nonparametric test that is used in the special case of a binary variable where the researcher wishes to test differences in proportions.

(True/False)

4.8/5

(37)

Question 61

The is the difference between the 75th and 25th percentile.

(Multiple Choice)

4.9/5

(28)

Question 62

To balance the two types of errors, alpha (a), also known as _ , is often set at .01 or .05.

(Multiple Choice)

4.9/5

(30)

Question 63

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 .

(Multiple Choice)

4.8/5

(39)

Question 64

If a variable is measured on a nominal scale, the median should be used.

(True/False)

4.8/5

(35)

Question 65

A statistic that indicates the distribution's dispersion is a .

(Multiple Choice)

4.9/5

(30)

Question 66

Which of the following statements is true concerning cross- tabulations with two variables?

(Multiple Choice)

4.8/5

(32)

Question 67

The is a statistic that assumes that the variable has a symmetric bell- shaped distribution and the mean is known (or assumed to be known) and the population variance is estimated from the sample.

(Multiple Choice)

4.9/5

(42)

Question 68

The difference between the mean and an observed value is called the deviation from the mean.

(True/False)

4.9/5

(33)

Question 69

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).

(Multiple Choice)

4.9/5

(41)

Question 70

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

(True/False)

4.8/5

(38)

Question 71

For the parametric case, involving proportions for two independent samples, the null and alternative hypotheses are . A) H₀: a₁²= a₂²H₁: a₁²× a₂²

(Short Answer)

4.9/5

(42)

Question 72

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.

(True/False)

4.8/5

(32)

Question 73

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

(True/False)

4.8/5

(36)

Question 74

In hypothesis testing, the observations are paired so that the two sets of observations relate to the same respondents.

(True/False)

4.7/5

(35)

Question 75

The alternative hypothesis: the percentage of Internet users who use the Internet for shopping is greater than .40, is a .

(Multiple Choice)

4.8/5

(37)

Question 76

The F test of sample variance may be performed if it is not known whether the two populations have equal variance. In this case the hypotheses are .

(Multiple Choice)

4.7/5

(45)

Question 77

In SPSS, if the data are interval scaled and only the summary statistics are desired, the DESCRIPTIVES procedure can be used.

(True/False)

4.8/5

(34)

Question 78

The can be used to assess the strength of association in a table of any size.

(Multiple Choice)

4.9/5

(34)

Question 79

Give three reasons why cross- tabulation is widely used in marketing research.

(Essay)

4.8/5

(34)

Question 80

Showing 61 - 80 of 154

Exam 15: Frequency Distribution, Crosstabulation, and Hypothesis

The McNemar test is another paired sample nonparametric test that is used in the special case of a binary variable where the researcher wishes to test differences in proportions.

The is the difference between the 75th and 25th percentile.

To balance the two types of errors, alpha (a), also known as _ , is often set at .01 or .05.

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 .

If a variable is measured on a nominal scale, the median should be used.

A statistic that indicates the distribution's dispersion is a .

Which of the following statements is true concerning cross- tabulations with two variables?

The is a statistic that assumes that the variable has a symmetric bell- shaped distribution and the mean is known (or assumed to be known) and the population variance is estimated from the sample.

The difference between the mean and an observed value is called the deviation from the mean.

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).

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

For the parametric case, involving proportions for two independent samples, the null and alternative hypotheses are . A) H0: a12 = a22 H1: a12 × a22

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.

In hypothesis testing, the observations are paired so that the two sets of observations relate to the same respondents.

The alternative hypothesis: the percentage of Internet users who use the Internet for shopping is greater than .40, is a .

The F test of sample variance may be performed if it is not known whether the two populations have equal variance. In this case the hypotheses are .

In SPSS, if the data are interval scaled and only the summary statistics are desired, the DESCRIPTIVES procedure can be used.

The can be used to assess the strength of association in a table of any size.

Give three reasons why cross- tabulation is widely used in marketing research.

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

For the parametric case, involving proportions for two independent samples, the null and alternative hypotheses are . A) H₀: a₁²= a₂²H₁: a₁²× a₂²

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.