Question 1

Exhibit 13-2
  
-Refer to Exhibit 13-2.The sum of squares due to error equals

Accepted Answer

A) 14.4 
B) 2,073.6 
C) 5,760 
D) 6,000 
A) 14.4 
B) 2,073.6 
C) 5,760 
D) 6,000

Question 2

In order to determine whether or not the means of two populations are equal,

Accepted Answer

A) a t test must be performed 
B) an analysis of variance must be performed 
C) either a t test or an analysis of variance can be performed 
D) a chi-square test must be performed 
A) a t test must be performed 
B) an analysis of variance must be performed 
C) either a t test or an analysis of variance can be performed 
D) a chi-square test must be performed

Question 3

Information regarding random samples of annual salaries (in thousands of dollars)of doctors in three different specialties is shown below.
   
a.Compute the overall mean.
b.State the null and alternative hypotheses to be tested.
c.Show the complete ANOVA table for this test including the test statistic.
d.The null hypothesis is to be tested at 95% confidence.Determine the critical value for this test.What do you conclude?
e.Determine the p-value and use it for the test.

Accepted Answer

a.180 b.H_o: There is no significant diffe

Question 4

An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations.The degrees of freedom for the critical value of F are

Accepted Answer

A) 3 and 20 
B) 3 and 16 
C) 4 and 17 
D) 3 and 19 
A) 3 and 20 
B) 3 and 16 
C) 4 and 17 
D) 3 and 19

Question 5

Exhibit 13-4
In a completely randomized experimental design involving five treatments,13 observations were recorded for each of the five treatments (a total of 65 observations).The following information is provided.
  
-Refer to Exhibit 13-4.The number of degrees of freedom corresponding to between treatments is

Accepted Answer

A) 60 
B) 59 
C) 5 
D) 4 
A) 60 
B) 59 
C) 5 
D) 4

Question 6

Exhibit 13-2
  
-Refer to Exhibit 13-2.The mean square between treatments equals

Accepted Answer

A) 288 
B) 518.4 
C) 1,200 
D) 8,294.4 
A) 288 
B) 518.4 
C) 1,200 
D) 8,294.4

Question 7

Exhibit 13-7
The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations.
  
-Refer to Exhibit 13-7.The number of degrees of freedom corresponding to within treatments is

Accepted Answer

A) 12 
B) 2 
C) 3 
D) 15 
A) 12 
B) 2 
C) 3 
D) 15

Question 8

Exhibit 13-1
  
-Refer to Exhibit 13-1.The test statistic to test the null hypothesis equals

Accepted Answer

A) 0.22 
B) 0.84 
C) 4.22 
D) 4.5 
A) 0.22 
B) 0.84 
C) 4.22 
D) 4.5

Question 9

Exhibit 13-5
Part of an ANOVA table is shown below.
  
-Refer to Exhibit 13-5.If at 95% confidence,we want to determine whether or not the means of the populations are equal,the p-value is

Accepted Answer

A) between 0.01 to 0.025 
B) between 0.025 to 0.05 
C) between 0.05 to 0.1 
D) greater than 0.1 
A) between 0.01 to 0.025 
B) between 0.025 to 0.05 
C) between 0.05 to 0.1 
D) greater than 0.1

Question 10

Exhibit 13-6
Part of an ANOVA table is shown below.
  
-Refer to Exhibit 13-6.The number of degrees of freedom corresponding to within treatments is

Accepted Answer

A) 22 
B) 4 
C) 5 
D) 18 
A) 22 
B) 4 
C) 5 
D) 18

Question 11

Exhibit 13-7
The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations.
  
-Refer to Exhibit 13-7.The computed test statistics is

Accepted Answer

A) 32 
B) 8 
C) 0.667 
D) 4 
A) 32 
B) 8 
C) 0.667 
D) 4

Question 12

In a completely randomized design involving three treatments,the following information is provided:
 
The overall mean for all the treatments is

Accepted Answer

A) 7.00 
B) 6.67 
C) 7.25 
D) 4.89 
A) 7.00 
B) 6.67 
C) 7.25 
D) 4.89

Question 13

In the analysis of variance procedure (ANOVA),"factor" refers to

Accepted Answer

A) the dependent variable 
B) the independent variable 
C) different levels of a treatment 
D) the critical value of F 
A) the dependent variable 
B) the independent variable 
C) different levels of a treatment 
D) the critical value of F

Question 14

Three different brands of tires were compared for wear characteristics.From each brand of tire,ten tires were randomly selected and subjected to standard wear-testing procedures.The average mileage obtained for each brand of tire and sample variances (both in 1,000 miles)are shown below.
   
At 95% confidence,test to see if there is a significant difference in the average mileage of the three brands.

Accepted Answer

The answer of Three different brands of tires were compared...

Question 15

The number of times each experimental condition is observed in a factorial design is known as

Accepted Answer

A) partition 
B) replication 
C) experimental condition 
D) factor 
A) partition 
B) replication 
C) experimental condition 
D) factor

Question 16

The critical F value with 6 numerator and 60 denominator degrees of freedom at $\alpha$ = .05 is

Accepted Answer

A) 3.74 
B) 2.25 
C) 2.37 
D) 1.96 
A) 3.74 
B) 2.25 
C) 2.37 
D) 1.96

Question 17

MNM,Inc.has three stores located in three different areas.Random samples of the daily sales of the three stores (in $1,000)are shown below.
   
At 95% confidence,test to see if there is a significant difference in the average sales of the three stores.Use both the critical and p-value approaches.

Accepted Answer

@#IMG-DLM& F = 4.909;p-value i

Question 18

Exhibit 13-6
Part of an ANOVA table is shown below.
  
-Refer to Exhibit 13-6.The conclusion of the test is that the means

Accepted Answer

A) are equal 
B) may be equal 
C) are not equal 
D) None of these alternatives is correct. 
A) are equal 
B) may be equal 
C) are not equal 
D) None of these alternatives is correct.

Question 19

An ANOVA procedure is used for data obtained from five populations.five samples,each comprised of 20 observations,were taken from the five populations.The numerator and denominator (respectively)degrees of freedom for the critical value of F are

Accepted Answer

A) 5 and 20 
B) 4 and 20 
C) 4 and 99 
D) 4 and 95 
A) 5 and 20 
B) 4 and 20 
C) 4 and 99 
D) 4 and 95

Question 20

Exhibit 13-2
  
-Refer to Exhibit 13-2.The test statistic to test the null hypothesis equals

Accepted Answer

A) 0.432 
B) 1.8 
C) 4.17 
D) 28.8 
A) 0.432 
B) 1.8 
C) 4.17 
D) 28.8

Exhibit 13-2 -Refer to Exhibit 13-2.The sum of squares due to error equals

In order to determine whether or not the means of two populations are equal,

An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations.The degrees of freedom for the critical value of F are

Exhibit 13-2 -Refer to Exhibit 13-2.The mean square between treatments equals

Exhibit 13-7 The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations. -Refer to Exhibit 13-7.The number of degrees of freedom corresponding to within treatments is

Exhibit 13-1 -Refer to Exhibit 13-1.The test statistic to test the null hypothesis equals

Exhibit 13-5 Part of an ANOVA table is shown below. -Refer to Exhibit 13-5.If at 95% confidence,we want to determine whether or not the means of the populations are equal,the p-value is

Exhibit 13-6 Part of an ANOVA table is shown below. -Refer to Exhibit 13-6.The number of degrees of freedom corresponding to within treatments is

Exhibit 13-7 The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations. -Refer to Exhibit 13-7.The computed test statistics is

In a completely randomized design involving three treatments,the following information is provided: The overall mean for all the treatments is

In the analysis of variance procedure (ANOVA),"factor" refers to

The number of times each experimental condition is observed in a factorial design is known as

The critical F value with 6 numerator and 60 denominator degrees of freedom at $\alpha$ = .05 is

MNM,Inc.has three stores located in three different areas.Random samples of the daily sales of the three stores (in $1,000)are shown below. At 95% confidence,test to see if there is a significant difference in the average sales of the three stores.Use both the critical and p-value approaches.

Exhibit 13-6 Part of an ANOVA table is shown below. -Refer to Exhibit 13-6.The conclusion of the test is that the means

An ANOVA procedure is used for data obtained from five populations.five samples,each comprised of 20 observations,were taken from the five populations.The numerator and denominator (respectively)degrees of freedom for the critical value of F are

Exhibit 13-2 -Refer to Exhibit 13-2.The test statistic to test the null hypothesis equals

Data and Statistics

Descriptive Statistics: Tabular and Graphical Presentations

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Statistical Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit and Independence

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Index Numbers

Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Exam 13: Analysis of Variance and Experimental Design

Exhibit 13-2 -Refer to Exhibit 13-2.The sum of squares due to error equals

In order to determine whether or not the means of two populations are equal,

An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations.The degrees of freedom for the critical value of F are

Exhibit 13-2 -Refer to Exhibit 13-2.The mean square between treatments equals

Exhibit 13-7 The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations. -Refer to Exhibit 13-7.The number of degrees of freedom corresponding to within treatments is

Exhibit 13-1 -Refer to Exhibit 13-1.The test statistic to test the null hypothesis equals

Exhibit 13-5 Part of an ANOVA table is shown below. -Refer to Exhibit 13-5.If at 95% confidence,we want to determine whether or not the means of the populations are equal,the p-value is

Exhibit 13-6 Part of an ANOVA table is shown below. -Refer to Exhibit 13-6.The number of degrees of freedom corresponding to within treatments is

Exhibit 13-7 The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations. -Refer to Exhibit 13-7.The computed test statistics is

In a completely randomized design involving three treatments,the following information is provided: The overall mean for all the treatments is

In the analysis of variance procedure (ANOVA),"factor" refers to

The number of times each experimental condition is observed in a factorial design is known as

The critical F value with 6 numerator and 60 denominator degrees of freedom at α\alphaα = .05 is

MNM,Inc.has three stores located in three different areas.Random samples of the daily sales of the three stores (in $1,000)are shown below. At 95% confidence,test to see if there is a significant difference in the average sales of the three stores.Use both the critical and p-value approaches.

Exhibit 13-6 Part of an ANOVA table is shown below. -Refer to Exhibit 13-6.The conclusion of the test is that the means

An ANOVA procedure is used for data obtained from five populations.five samples,each comprised of 20 observations,were taken from the five populations.The numerator and denominator (respectively)degrees of freedom for the critical value of F are

Exhibit 13-2 -Refer to Exhibit 13-2.The test statistic to test the null hypothesis equals

Data and Statistics

Descriptive Statistics: Tabular and Graphical Presentations

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Statistical Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit and Independence

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Index Numbers

Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

The critical F value with 6 numerator and 60 denominator degrees of freedom at $\alpha$ = .05 is