To increase the chance of rejecting the null hypothesis, we must ensure that F-test is large enough by . . variation. the A. decreasing, between groups B. increasing, between group C. increasing, within groups D. decreasing, within groups A D Answer B.

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To increase the chance of rejecting the null hypothesis, we must ensure that F-test is
large enough by .
. variation.
.... the
A. decreasing, between groups
B. increasing, between group
C. increasing, within groups
D. decreasing, within groups
A
D
Answer
B.
Transcribed Image Text:To increase the chance of rejecting the null hypothesis, we must ensure that F-test is large enough by . . variation. .... the A. decreasing, between groups B. increasing, between group C. increasing, within groups D. decreasing, within groups A D Answer B.
What is the decision of that can be made from the ANOVA table at a = 0.05?
ANOVA
Source of Variation
Between Groups
df
MS
F
P-value
F crit
553.7
a
184.7
Y
0.00268 3.23887
405.2
25.3
Total
958.9
A. Insufficient evidence to conclude that there is a difference between the group's mean.
B. Sufficient evidence to conclude that there is a difference between the group's mean.
C. Sufficient evidence to conclude that there is no difference between the group's mean.
D. Insufficient evidence to conclude that there is no difference between the group's
mean.
A
B
D
Answer
Transcribed Image Text:What is the decision of that can be made from the ANOVA table at a = 0.05? ANOVA Source of Variation Between Groups df MS F P-value F crit 553.7 a 184.7 Y 0.00268 3.23887 405.2 25.3 Total 958.9 A. Insufficient evidence to conclude that there is a difference between the group's mean. B. Sufficient evidence to conclude that there is a difference between the group's mean. C. Sufficient evidence to conclude that there is no difference between the group's mean. D. Insufficient evidence to conclude that there is no difference between the group's mean. A B D Answer
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