Exam 11: Experimental Design and Analysis of Variance

Consider the following partial analysis of variance table from a randomized block design with 10 blocks and 6 treatments. What is the treatment mean square?

(Short Answer)

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Question 81

A sum of squares that measures the total amount of variability in the observed values of the response variable is referred to as the:

(Multiple Choice)

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Question 82

In one-way ANOVA,the numerator of the F statistic is an estimate of the population variance based on within-treatment variation.

(True/False)

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Question 83

Different levels of a factor are called ____________.

(Multiple Choice)

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Question 84

Consider the following partial analysis of variance table from a randomized block design with 6 blocks and 4 treatments. What is the calculated F statistic for blocks?

(Short Answer)

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Question 85

Consider the following partial analysis of variance table from a randomized block design with 10 blocks and 6 treatments. Determine the degrees of freedom for error.

(Short Answer)

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Question 86

In a one-way analysis of variance with three treatments,each with five measurements,in which a completely randomized design is used,what is the degrees of freedom for treatments?

(Short Answer)

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Question 87

The advantage of the randomized block design over the completely randomized design is that we are comparing the treatments by using ________ experimental units.

(Multiple Choice)

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Question 88

The dependent variable,the variable of interest in an experiment,is also called the ___________ variable.

(Multiple Choice)

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Question 89

Consider the following partial analysis of variance table from a randomized block design with 6 blocks and 4 treatments. What is the treatment mean square?

(Short Answer)

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Question 90

If factors being studied cannot be controlled,the data are said to be observational.

(True/False)

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Question 91

The ANOVA procedure for a two-factor factorial experiment partitions the total sum of squares into three components,SS first factor,SS second factor,and SSE.

(True/False)

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Question 92

A company that fills gallon containers of water has four machines.The quality control manager needs to determine whether the average fill for these machines is the same.Looking at 19 one-gallon containers,we have the following data of fill measures (x)in quarts. And the following partial ANOVA table. Is there a significant difference in the fill amounts of the four machines at α = .05 to reject the null hypothesis?

(Short Answer)

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Question 93

In general,a Tukey simultaneous 100(1 - α)percent confidence interval is _________ than the corresponding individual 100(1 - α)percent confidence interval.

(Multiple Choice)

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Question 94

In one-way ANOVA,the numerator degrees of freedom equals the number of samples being compared.

(True/False)

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Question 95

Consider the one-way ANOVA table. What is the mean square error?

(Short Answer)

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Question 96

Looking at four different diets,a researcher randomly assigned 20 equally overweight women into each of the four diets.What are the degrees of freedom for the individual confidence intervals?

(Short Answer)

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Question 97

Consider the following one-way ANOVA table. What is the value of the F statistic?

(Short Answer)

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Question 98

Showing 81 - 98 of 98

Consider the following partial analysis of variance table from a randomized block design with 10 blocks and 6 treatments. What is the treatment mean square?

A sum of squares that measures the total amount of variability in the observed values of the response variable is referred to as the:

In one-way ANOVA,the numerator of the F statistic is an estimate of the population variance based on within-treatment variation.

Different levels of a factor are called ____________.

Consider the following partial analysis of variance table from a randomized block design with 6 blocks and 4 treatments. What is the calculated F statistic for blocks?

Consider the following partial analysis of variance table from a randomized block design with 10 blocks and 6 treatments. Determine the degrees of freedom for error.

In a one-way analysis of variance with three treatments,each with five measurements,in which a completely randomized design is used,what is the degrees of freedom for treatments?

The advantage of the randomized block design over the completely randomized design is that we are comparing the treatments by using ________ experimental units.

The dependent variable,the variable of interest in an experiment,is also called the ___________ variable.

Consider the following partial analysis of variance table from a randomized block design with 6 blocks and 4 treatments. What is the treatment mean square?

If factors being studied cannot be controlled,the data are said to be observational.

The ANOVA procedure for a two-factor factorial experiment partitions the total sum of squares into three components,SS first factor,SS second factor,and SSE.

In general,a Tukey simultaneous 100(1 - α)percent confidence interval is _________ than the corresponding individual 100(1 - α)percent confidence interval.

In one-way ANOVA,the numerator degrees of freedom equals the number of samples being compared.

Consider the one-way ANOVA table. What is the mean square error?

Looking at four different diets,a researcher randomly assigned 20 equally overweight women into each of the four diets.What are the degrees of freedom for the individual confidence intervals?

Consider the following one-way ANOVA table. What is the value of the F statistic?

An Introduction to Business Statistics

Descriptive Statistics: Tabular and Graphical Methods

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Process Improvement Using Control Charts

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