QBA COMPREHENSIVE EXAM 2025/2026 QUESTIONS AND
SOLUTION RATED A+
✔✔The critical F value with 6 numerator and 60 denominator degrees of freedom at
a=.05 is - ✔✔2.25
✔✔When an analysis of variance is performed on samples drawn from k populations,
the mean square between treatments (MTSR) is - ✔✔SSTR/(k-1)
✔✔The process of allocating the total sum of squares and degrees of freedom is called
- ✔✔partitioning
✔✔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 within treatments is - ✔✔SSE/(nT-K)
✔✔Which of the following is NOT a required assumption for the analysis of variance? -
✔✔Populations have equal means
✔✔The number of times each experimental condition is observed in a factorial design is
known as - ✔✔replication
✔✔in the ANOVA, treatment refers to - ✔✔different levels of a factor
✔✔In ANOVA, which of the following is not affected by whether or not the population
means are equal? - ✔✔within-samples estimate of o^2
✔✔The required condition for using an ANOVA procedure on data from several
populations is that the - ✔✔samples populations have equal variances
✔✔An experimental design where the experimental units are randomly assigned to the
treatments is known as - ✔✔completely randomized design
✔✔In the analysis of variance procedure (ANOVA), "factor" refers to - ✔✔the
independent variable
✔✔In a regression analysis the standard error is determined to be 4. In this situation the
MSE - ✔✔is 16
✔✔In a regression analysis, the error term e is a random variable with a mean or
expected value of - ✔✔zero
SOLUTION RATED A+
✔✔The critical F value with 6 numerator and 60 denominator degrees of freedom at
a=.05 is - ✔✔2.25
✔✔When an analysis of variance is performed on samples drawn from k populations,
the mean square between treatments (MTSR) is - ✔✔SSTR/(k-1)
✔✔The process of allocating the total sum of squares and degrees of freedom is called
- ✔✔partitioning
✔✔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 within treatments is - ✔✔SSE/(nT-K)
✔✔Which of the following is NOT a required assumption for the analysis of variance? -
✔✔Populations have equal means
✔✔The number of times each experimental condition is observed in a factorial design is
known as - ✔✔replication
✔✔in the ANOVA, treatment refers to - ✔✔different levels of a factor
✔✔In ANOVA, which of the following is not affected by whether or not the population
means are equal? - ✔✔within-samples estimate of o^2
✔✔The required condition for using an ANOVA procedure on data from several
populations is that the - ✔✔samples populations have equal variances
✔✔An experimental design where the experimental units are randomly assigned to the
treatments is known as - ✔✔completely randomized design
✔✔In the analysis of variance procedure (ANOVA), "factor" refers to - ✔✔the
independent variable
✔✔In a regression analysis the standard error is determined to be 4. In this situation the
MSE - ✔✔is 16
✔✔In a regression analysis, the error term e is a random variable with a mean or
expected value of - ✔✔zero