This preview shows page 1. Sign up to view the full content.
Unformatted text preview: g is not an assumption of oneway analysis of variance?
A. Random selection of samples from each population.
B. Equality of the population variances.
C. Equality of the population means.
D. Samples selected from each treatment population all have normal distributions. AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Easy
Learning Objective: 2
Topic: Oneway ANOVA 1981 Chapter 01  An Introduction to Business Statistics 33. After analyzing a data set using oneway ANOVA model, the same data is analyzed using
the randomized block design ANOVA model. SS (Treatment) in the one way ANOVA model
is _______________ the SS (Treatment) in the randomized block design ANOVA model.
A. Always equal to
B. Always greater than
C. Always less than
D. Sometimes greater than AACSB: Reflective Thinking
Bloom's: Analysis
Difficulty: Hard
Learning Objective: 3
Topic: Randomized block design 34. The advantage of the randomized block design over the completely randomized design is
that we are comparing the treatments by using ________ experimental units.
A. Randomly selected
B. The same
C. Different
D. Representative
E. Equally timed AACSB: Reflective Thinking
Bloom's: Analysis
Difficulty: Medium
Learning Objective: 3
Topic: Randomized block design 35. A sum of squares that measures the total amount of variability in the observed values of
the response variable is referred to as:
A. Treatment sum of squares
B. Error sum of squares
C. Sum of squares withintreatment
D. Total sum of squares
E. Interaction sum of squares AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Learning Objective: 2
Topic: Oneway ANOVA 1982 Chapter 01  An Introduction to Business Statistics 36. A sum of squares that measures the variability among the sample means is referred to as:
A. Treatment sum of squares
B. Error sum of squares
C. Sum of squares withintreatment
D. Total sum of squares
E. Interaction sum of squares AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Learning Objective: 2
Topic: Oneway ANOVA 37. When we compute 100 (1  α) confidence intervals, the value of α is called the
A. comparisonwise error rate
B. Tukey simultaneous error rate
C. experimentwise error rate
D. pairwise error rate AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Learning Objective: 2
Topic: Oneway ANOVA 38. In oneway ANOVA, the treatment sum of squares equals:
A. SSTO  SS (error)  SS (interaction)
B. SSTO  SS (factor 1)  SSE
C. SSTO  SS (interaction)  SS (factor 1)  SS (factor 2)
D. SSTO  SS (factor 1)  SS (factor 2)
E. SSTO  SS (error) AACSB: Analytic
Bloom's: Analysis
Difficulty: Easy
Learning Objective: 2
Topic: Oneway ANOVA 1983 Chapter 01  An Introduction to Business Statistics 39. In randomized block ANOVA, the sum of squares for factor 1 equals:
A. SSTO  SS (error)  SS (interaction)
B. SSTO  SS (factor 2)  SSE
C. SSTO  SS (interaction)  SS (factor 2)
D. SSTO  SS (factor 2)
E. SSTO  SS (error) AACSB: Analytic
Bloom's: Analysis
Difficulty: Easy
Learning Objective: 3
Topic: Randomized block design 40. Which of the following is not an assumption for oneway analysis of variance?
A. The p populations of values of the response variable associated with the treatments have
equal variances.
B. The samples of experimental units associated with the treatments are randomly selected.
C. The experimental units associated with the treatments are independent samples.
D. The number of sampled observations must be equal for all p treatments.
E. The distribution of the response variable is normal for all treatments. AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Easy
Learning Objective: 2
Topic: Oneway ANOVA 41. We have just performed a oneway ANOVA on a given set of data and rejected the null
hypothesis for the ANOVA F test. Assume that we are able to perform a randomized block
design ANOVA on the same data. For the randomized block design ANOVA, the null
hypothesis for equal treatments will ______ be rejected.
A. Always
B. Sometimes
C. Never AACSB: Reflective Thinking
Bloom's: Analysis
Difficulty: Hard
Learning Objective: 3
Topic: Randomized block design 1984 Chapter 01  An Introduction to Business Statistics 42. We have just performed a oneway ANOVA on a given set of data and did not reject the
null hypothesis for the ANOVA F test. Assume that we are able to perform a randomized
block design ANOVA on the same data. For the randomized block design ANOVA, the null
hypothesis for equal treatments will ______ be rejected.
A. Always
B. Sometimes
C. Never AACSB: Reflective Thinking
Bloom's: Analysis
Difficulty: Hard
Learning Objective: 3
Topic: Randomized block design 1985 Chapter 01  An Introduction to Business Statistics 43.
The Excel/MegaStat output given above summarizes the results of a oneway analysis of
variance in an attempt to compare the performance characteristics of four brands of vacuum
cleaners. The response variable is the amount of time it takes to clean a specific size room
with a specific amount of dirt.
At a significance level of .05, we would:
A. Not be able to...
View
Full
Document
This document was uploaded on 01/20/2014.
 Winter '14

Click to edit the document details