Post Hoc Comparisons using Confidence Intervals Groups MK Primary school 15.67 6.33 Junior high school 4 11.75 6.92 High school 4 17.25 4.92 3.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
icon
Related questions
Question

The question is attached as an image.

Post Hoc Comparisons using Confidence Intervals
Groups
nk
MK
Primary school
15.67
6.33
Junior high school
11.75
6.92
High school
4
17.25
4.92
(a.) Calculate 95% Cl for each group listed above. Interpret each Cl in a sentence immediately next to or
below your calculation.
(b.) After you've calculated all three, explain in 3 sentences, total, which groups you can conclude have
statistically significant differences in population means and how you reached that conclusion. Compare
primary to junior high; primary to high school; and junior high school to high school.
CI Formula 95% CI = M +t (SM)
3.
4.
Transcribed Image Text:Post Hoc Comparisons using Confidence Intervals Groups nk MK Primary school 15.67 6.33 Junior high school 11.75 6.92 High school 4 17.25 4.92 (a.) Calculate 95% Cl for each group listed above. Interpret each Cl in a sentence immediately next to or below your calculation. (b.) After you've calculated all three, explain in 3 sentences, total, which groups you can conclude have statistically significant differences in population means and how you reached that conclusion. Compare primary to junior high; primary to high school; and junior high school to high school. CI Formula 95% CI = M +t (SM) 3. 4.
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL