As variability due to chance decreases, the value of F will

Related MCQs

• While random variability in a system can be removed by ______________, non-random variability requires ______________.
• When conducting a one-way ANOVA, the ______________ the between-treatment variability is when compared to the within-treatment variability, the ______________ the FValue calculated from the data will tend to be.
• If variability of a product decreases, its quality ______________
• The ______________ sum of squares measures the variability of the observed values around their respective treatment means.
• You carried out an ANOVA on a preliminary sample of data. You then collected additional data from the same groups; the difference being that the sample sizes for each group were increased by a factor of 10, and the within-group variability has decreased substantially. Which of the following statements is NOT correct?
• A multiple-choice test has 30 questions. There are 4 choices for each question. A student who has not studied for the test decides to answer all the questions randomly by guessing the answer to each question. Which of the following probability distributions can be used to calculate the student's chance of getting at least 20 questions right?
• Consider that for a process s bar (average standard deviation of 50 samples each of size 4) is found to be 10.04. The value of c4 (corresponding to sample size of .4) is .92. What is the estimated value of process standard deviation?
• Given that for the three samples, the value of R bar is .66 and value of d2 corresponding to three is1.128, what is the estimated standard deviation?
• Consider that for a particular process, the p has shifted to .4 and the process has gone out of control. The corresponding value of beta is found to be .3356. The value of Average Run Length is:
• Consider for a process in control, the value of alpha is .0015. What is the value of the average run length?