QBA Ch13 Concepts
The F ratio in a completely randomized ANOVA is given by
MSTR/MSE.
Which of the following is not a required assumption for the analysis of variance?
Populations under consideration have equal means.
In an analysis of variance where the total sample size for the experiment is nT and the number of populations is k, the mean square due to error is
SSE/(nT - k).
When an analysis of variance is performed on samples drawn from k populations, the mean square due to treatments (MSTR) is
SSTR/(k - 1).
An experimental design where the experimental units are randomly assigned to the treatments is known as _____ design.
completely randomized
In the ANOVA, treatments refer to
different levels of a factor.
In an ANOVA procedure, a term that means the same as the term "variable" is
factor
The independent variable of interest in an ANOVA procedure is called a
factor
In factorial designs, the response produced when the treatments of one factor interact with the treatments of another in influencing the response variable is known as
interaction
In testing for the equality of k population means, the number of treatments is
k
In an analysis of variance, one estimate of σ2 is based upon the differences between the treatment means and the
overall sample mean.
The process of allocating the total sum of squares and degrees of freedom to the various components is called
partitioning
The number of times each experimental condition is observed in a factorial design is known as
replication
If we are testing for the equality of three population means, we should use the
test statistic F.
In the analysis of variance procedure (ANOVA), "factor" refers to
the independent variable.
The ANOVA procedure is a statistical approach for determining whether or not the means of _____ are equal.
three or more populations
In ANOVA, which of the following is not affected by whether or not the population means are equal?
within-treatments estimate of σ2
