A researcher calculated the ANOVA summary table for an experiment, but accidenta
ID: 1947112 • Letter: A
Question
A researcher calculated the ANOVA summary table for an experiment, but accidentally spilled grape juice over the first line of the output. From the data below, calculate the F test value.
Source
Sum of Squares
d. f.
Mean Square
F
Between
Within (error)
141
59
2.39
Total
196
65
A) F = 1.39 B) F = 3.84 C) F = 0.91 D) F = 2.61
A researcher calculated the ANOVA summary table for an experiment, but accidentally spilled grape juice over the first line of the output. From the data below, calculate the F test value.
Source
Sum of Squares
d. f.
Mean Square
F
Between
Within (error)
141
59
2.39
Total
196
65
A) F = 1.39 B) F = 3.84 C) F = 0.91 D) F = 2.61
Explanation / Answer
ans) B) F = 3.84 SStotal = SSwithin + SSbetween 196 = 141 + SSb SSb = 196 - 141 = 55 d.f. total = d.f. within + d.f. between 65 = 59 + d.f.between d.f. between = 65-59 = 6 MSbetween = SSbetween/d.f. between = 55/6 = 9.16667 F = MSbetween / MSwithin = 9.16667 / 2.39 = 3.84
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.