Question 1

Data from a randomized block design are shown in the following table:   The Blocks Sum of Squares (SSR)is ___.

Accepted Answer

A) 65.00 
B) 17.50 
C) 47.00 
D) 0.500 
E) 10.00 
A) 65.00 
B) 17.50 
C) 47.00 
D) 0.500 
E) 10.00

Question 2

Cindy Ho,VP of Finance at Discrete Components,Inc.(DCI),theorizes that the discount level offered to credit customers affects the average collection period on credit sales.Accordingly,she has designed an experiment to test her theory using four sales discount rates (0%,2%,4%,and 6%).Cindy wants to control for the size of the customer but not to test for it as the main variable of interest so she classified DCI's credit customers into three categories by total assets (small,medium,and large).Then,she randomly assigned four customers from each category to a sales discount rate.In Cindy's experiment "total asset size of credit customer" is ___.

Accepted Answer

A) a surrogate variable 
B) the dependent variable 
C) a blocking variable 
D) a treatment variable 
E) a constant 
A) a surrogate variable 
B) the dependent variable 
C) a blocking variable 
D) a treatment variable 
E) a constant

Question 3

Data from a randomized block design are shown in the following table:   The Treatment Sum of Squares (SSC)is ___.

Accepted Answer

A) 65.00 
B) 17.50 
C) 47.00 
D) 0.500 
E) 1.000 
A) 65.00 
B) 17.50 
C) 47.00 
D) 0.500 
E) 1.000

Question 4

For the following ANOVA table,the MS Treatment value is ___.

Accepted Answer

A) 150 
B) 50 
C) 450 
D) 3.49 
E) 40 
A) 150 
B) 50 
C) 450 
D) 3.49 
E) 40

Question 5

BigShots,Inc.is a specialty e-tailer that operates 87 catalogue websites on the Internet.Kevin Conn,Sales Director,feels that the style (colour scheme,graphics,fonts,etc. )of a website may affect its sales.He chooses three levels of design style (neon,old world and sophisticated)and randomly assigns six catalogue websites to each design style.Analysis of Kevin's data yielded the following ANOVA table:   
Using v = 0.05,the critical F value is ___.

Accepted Answer

A) 3.57 
B) 19.43 
C) 3.68 
D) 19.45 
E) 2.85 
A) 3.57 
B) 19.43 
C) 3.68 
D) 19.45 
E) 2.85

Question 6

Data from a randomized block design are shown in the following table:   
Using $\alpha$ = 0.05,the critical F value for the blocking effects null hypothesis is ___.

Accepted Answer

A) 3.59 
B) 4.76 
C) 3.98 
D) 5.14 
E) 6.54 
A) 3.59 
B) 4.76 
C) 3.98 
D) 5.14 
E) 6.54

Question 7

Cindy Ho,VP of Finance at Discrete Components,Inc.(DCI),theorizes that the discount level offered to credit customers affects the average collection period on credit sales.Accordingly,she has designed an experiment to test her theory using four sales discount rates (0%,2%,4%,and 6%).First,she classified DCI's credit customers into three categories by total assets (small,medium,and large).Then,she randomly assigned four customers from each category to a sales discount rate.An analysis of Cindy's data yielded the following ANOVA table:   
Using $\alpha$ = 0.05,the appropriate decision for block effects is ___.

Accepted Answer

A) do not reject the null hypothesis $\mu$ 1 $\neq$$\mu$ 2 $\neq$$\mu$ 3 
B) do not reject the null hypothesis $\mu$ 1 =$\mu$ 2 =$\mu$ 3 
C) reject the null hypothesis $\mu$ 1$\ge$$\mu$ 2$\ge$$\mu$ 3 
D) reject the null hypothesis  $\mu$ 1 $\le$$\mu$ 2 $\le$$\mu$ 3 
E) do nothing 
A) do not reject the null hypothesis $\mu$ 1 $\neq$$\mu$ 2 $\neq$$\mu$ 3 
B) do not reject the null hypothesis $\mu$ 1 =$\mu$ 2 =$\mu$ 3 
C) reject the null hypothesis $\mu$ 1$\ge$$\mu$ 2$\ge$$\mu$ 3 
D) reject the null hypothesis  $\mu$ 1 $\le$$\mu$ 2 $\le$$\mu$ 3 
E) do nothing

Question 8

For the following ANOVA table,the dfTreatment value is ___.

Accepted Answer

A) 3 
B) 43 
C) 1.15 
D) 460 
E) 150 
A) 3 
B) 43 
C) 1.15 
D) 460 
E) 150

Question 9

Determining the table value for the F distribution is different from finding values in the t distribution tables because the F table requires two values for degrees of freedom.

Accepted Answer

A) True 
 B)False

Question 10

Data from a completely randomized design are shown in the following table:   For a one-way ANOVA,the Error Sum of Squares (SSE)is ___.

Accepted Answer

A) 36.17 
B) 28.75 
C) 64.92 
D) 18.03 
E) 28.04 
A) 36.17 
B) 28.75 
C) 64.92 
D) 18.03 
E) 28.04

Question 11

For the following ANOVA table,the dfError value is ___.

Accepted Answer

A) 4 
B) 20 
C) 12 
D) 64 
E) 16 
A) 4 
B) 20 
C) 12 
D) 64 
E) 16

Question 12

BigShots,Inc.is a specialty e-tailer that operates 87 catalogue websites on the Internet.Kevin Conn,Sales Director,feels that the style (colour scheme,graphics,fonts,etc. )of a website may affect its sales.He chooses three levels of design style (neon,old world and sophisticated)and randomly assigns six catalogue websites to each design style.Analysis of Kevin's data yielded the following ANOVA table:   
Using $\alpha$ = 0.05,the observed F value is ___.

Accepted Answer

A) 0.5022 
B) 0.1333 
C) 1.9911 
D) 17.5054 
E) 22.4567 
A) 0.5022 
B) 0.1333 
C) 1.9911 
D) 17.5054 
E) 22.4567

Question 13

Test a randomized block design that includes a blocking variable to control for confounding variables.

Accepted Answer

A second experimental design is the rand

Question 14

Data from a completely randomized design are shown in the following table:   
For a one-way ANOVA using $\alpha$ = 0.05,the observed F value is ___.

Accepted Answer

A) 5.66 
B) 3.19 
C) 18.08 
D) 4.34 
E) 8.98 
A) 5.66 
B) 3.19 
C) 18.08 
D) 4.34 
E) 8.98

Question 15

Cindy Ho,VP of Finance at Discrete Components,Inc.(DCI),theorizes that the discount level offered to credit customers affects the average collection period on credit sales.Accordingly,she has designed an experiment to test her theory using four sales discount rates (0%,2%,4%,and 6%).Cindy wants to control for the size of the customer but not to test for it as the main variable of interest so she classified DCI's credit customers into three categories by total assets (small,medium,and large).Then,she randomly assigned four customers from each category to a sales discount rate.Cindy's experimental design is a ___.

Accepted Answer

A) normalized block design 
B) completely randomized design 
C) factorial design 
D) random block design 
E) partially randomized design 
A) normalized block design 
B) completely randomized design 
C) factorial design 
D) random block design 
E) partially randomized design

Question 16

BigShots,Inc.is a specialty e-tailer that operates 87 catalogue websites on the Internet.Kevin Conn,Sales Director,feels that the style (colour scheme,graphics,fonts,etc. )of a website may affect its sales.He chooses three levels of design style (neon,old world and sophisticated)and randomly assigns six catalogue websites to each design style.In Kevin's experiment "sales at a website" is ___.

Accepted Answer

A) a blocking variable 
B) a concomitant variable 
C) a treatment variable 
D) the dependent variable 
E) the independent variable 
A) a blocking variable 
B) a concomitant variable 
C) a treatment variable 
D) the dependent variable 
E) the independent variable

Question 17

The following graph indicates a ___.

Accepted Answer

A) 2 $\times$ 4 factorial design with interaction 
B) 4 $\times$ 2 factorial design with no interaction 
C) 4 $\times$ 2 factorial design with interaction 
D) 2 $\times$ 4 factorial design with no interaction 
E) randomized block design 
A) 2 $\times$ 4 factorial design with interaction 
B) 4 $\times$ 2 factorial design with no interaction 
C) 4 $\times$ 2 factorial design with interaction 
D) 2 $\times$ 4 factorial design with no interaction 
E) randomized block design

Question 18

In analysis of variance tests a t distribution forms the basis for making the decisions.

Accepted Answer

A) True 
 B)False

Question 19

Data from a completely randomized design are shown in the following table:   
For a one-way ANOVA using $\alpha$ = 0.05,the appropriate decision is ___.

Accepted Answer

A) do not reject the null hypothesis   $\mu$ 1 $\ge$$\mu$ 2 $\ge$ $\mu$ 3 
B) do not reject the null hypothesis   $\mu$ 1 $\le$$\mu$ 2$\le$$\mu$ 3 
C) reject the null hypothesis   $\mu$ 1=$\mu$ 2 = $\mu$ 3 
D) reject the null hypothesis   $\mu$ 1 $\neq$$\mu$ 2 $\neq$ $\mu$ 3 
E) do not reject the null hypothesis  $\mu$ 1 $\neq$$\mu$ 2 $\neq$ $\mu$ 3 
A) do not reject the null hypothesis   $\mu$ 1 $\ge$$\mu$ 2 $\ge$ $\mu$ 3 
B) do not reject the null hypothesis   $\mu$ 1 $\le$$\mu$ 2$\le$$\mu$ 3 
C) reject the null hypothesis   $\mu$ 1=$\mu$ 2 = $\mu$ 3 
D) reject the null hypothesis   $\mu$ 1 $\neq$$\mu$ 2 $\neq$ $\mu$ 3 
E) do not reject the null hypothesis  $\mu$ 1 $\neq$$\mu$ 2 $\neq$ $\mu$ 3

Question 20

Pate's Pharmacy,Inc.operates a regional chain of 120 pharmacies.Each pharmacy's floor plan includes a greeting card department which is relatively isolated.Sandra Royo,Marketing Manager,feels that the level of lighting in the greeting card department may affect sales in that department.She chooses three levels of lighting (soft,medium,and bright)and randomly assigns six pharmacies to each lighting level.Analysis of Sandra's data yielded the following ANOVA table:   
Using $\alpha$ = 0.05,the critical F value is ___.

Accepted Answer

A) 13.68 
B) 19.43 
C) 3.59 
D) 19.45 
E) 3.68 
A) 13.68 
B) 19.43 
C) 3.59 
D) 19.45 
E) 3.68

Data from a randomized block design are shown in the following table: The Blocks Sum of Squares (SSR)is ___.

Data from a randomized block design are shown in the following table: The Treatment Sum of Squares (SSC)is ___.

For the following ANOVA table,the MS Treatment value is ___.

For the following ANOVA table,the df_Treatment value is ___.

Determining the table value for the F distribution is different from finding values in the t distribution tables because the F table requires two values for degrees of freedom.

Data from a completely randomized design are shown in the following table: For a one-way ANOVA,the Error Sum of Squares (SSE)is ___.

For the following ANOVA table,the df_Error value is ___.

Test a randomized block design that includes a blocking variable to control for confounding variables.

Data from a completely randomized design are shown in the following table: $Data from a completely randomized design are shown in the following table: For a one-way ANOVA using \alpha = 0.05,the observed F value is _.$ For a one-way ANOVA using $\alpha$ = 0.05,the observed F value is _.

The following graph indicates a ___.

In analysis of variance tests a t distribution forms the basis for making the decisions.

Data from a completely randomized design are shown in the following table: $Data from a completely randomized design are shown in the following table: For a one-way ANOVA using \alpha = 0.05,the appropriate decision is _.$ For a one-way ANOVA using $\alpha$ = 0.05,the appropriate decision is _.

Introduction to Statistics

Charts and Graphs

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Nonparametric Statistics

Statistical Quality Control

Decision Analysis

Filters

Exam 11: Analysis of Variance and Design of Experiments

Data from a randomized block design are shown in the following table: The Blocks Sum of Squares (SSR)is ___.

Data from a randomized block design are shown in the following table: The Treatment Sum of Squares (SSC)is ___.

For the following ANOVA table,the MS Treatment value is ___.

Data from a randomized block design are shown in the following table: Using α\alphaα = 0.05,the critical F value for the blocking effects null hypothesis is ___.

For the following ANOVA table,the dfTreatment value is ___.

Determining the table value for the F distribution is different from finding values in the t distribution tables because the F table requires two values for degrees of freedom.

Data from a completely randomized design are shown in the following table: For a one-way ANOVA,the Error Sum of Squares (SSE)is ___.

For the following ANOVA table,the dfError value is ___.

Test a randomized block design that includes a blocking variable to control for confounding variables.

Data from a completely randomized design are shown in the following table: For a one-way ANOVA using α\alphaα = 0.05,the observed F value is ___.

The following graph indicates a ___.

In analysis of variance tests a t distribution forms the basis for making the decisions.

Data from a completely randomized design are shown in the following table: For a one-way ANOVA using α\alphaα = 0.05,the appropriate decision is ___.

Introduction to Statistics

Charts and Graphs

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Nonparametric Statistics

Statistical Quality Control

Decision Analysis

Filters

For the following ANOVA table,the df_Treatment value is ___.

For the following ANOVA table,the df_Error value is ___.

Data from a completely randomized design are shown in the following table: $Data from a completely randomized design are shown in the following table: For a one-way ANOVA using \alpha = 0.05,the observed F value is _.$ For a one-way ANOVA using $\alpha$ = 0.05,the observed F value is _.

Data from a completely randomized design are shown in the following table: $Data from a completely randomized design are shown in the following table: For a one-way ANOVA using \alpha = 0.05,the appropriate decision is _.$ For a one-way ANOVA using $\alpha$ = 0.05,the appropriate decision is _.