In ANOVA, the F-test is the ratio of two sample variances. In the one-way ANOVA (completely randomized design), the variance used as a numerator of the ratio is:
A. mean square for treatments.
B. mean square for error.
C. total sum of squares.
D. None of these choices.
Analysis:
A. Correct. The variance used as a numerator of the ratio is the mean square for treatments.
B. Incorrect. The variance used as a numerator of the ratio is the mean square for treatments.
C. Incorrect. The variance used as a numerator of the ratio is the mean square for treatments.
D. Incorrect. The variance used as a numerator of the ratio is the mean square for treatments.
ANSWER : A
You might also like to view...
Under the OSH Act, records of an employee's exposure to toxins must be kept for:
a. 5 years b. 10 years c. 20 years d. 30 years
If a third party has the right to control the details of contract performance, the third party is an incidental beneficiary
Indicate whether the statement is true or false
Glen's Safety First! sells a huge assortment of firefighting equipment at greatly reduced prices. It offers customers few services and competes on the basis of moderate to low prices on the large quantities of merchandise it stocks. Glen's Safety First! is an example of a:
A. full-line discount store B. specialty discount store C. general store D. department store E. wholesale store
In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class on Fridays passed the course
a. What percentage of students is expected to pass the course? b. Given that a person passes the course, what is the probability that he/she attended classes on Fridays?