Question

An educator wants to evaluate four different methods aimed at reducing the time children spend "off...

An educator wants to evaluate four different methods aimed at reducing the time children spend "off task" in the classroom. To test these methods, she implements one method in each of four similar classrooms and records the time spent off task (in minutes) in each classroom. The results are given in the table.

Classroom Method
A B C D
2 0 0 3
5 1 0 2
0 0 3 5
4 3 5 4
1 3 3 2
3 4 4 2
2 4 6 5
1 1 6 3
5 5 5 5

(a) Complete the F-table. (Round your answers to two decimal places.)

Source of
Variation
SS df MS F
Between
groups
Within
groups (error)
Total

Homework Answers

Answer #1

The statistical software output for this problem is:

Hence,

ANOVA table will be:

Source of
Variation
SS df MS F
Between
groups
10.31 3 3.44 0.99
Within
groups (error)
110.67 32 3.46
Total 120.97 35
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