Three admission test preparation programs are being evaluated. The scores obtained by : sample of 20 people who used the programs provided the following data. Use the Kruskal- Wallis test to determine whether there is a significant difference among the three test prepa- ration programs. Use a .05. Program B 540 450 540 400 410 480 370 550 600 400 490 530 490 610 630 580 490 590 620 570

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Three admission test preparation programs are being evaluated. The scores obtained by a
sample of 20 people who used the programs provided the following data. Use the Kruskal-
Wallis test to determine whether there is a significant difference among the three test prepa-
ration programs. Use a = .05.
Program
A
B
C
540
450
540
400
410
600
400
490
530
630
580
490
490
610
480
370
550
590
620
570
Transcribed Image Text:Three admission test preparation programs are being evaluated. The scores obtained by a sample of 20 people who used the programs provided the following data. Use the Kruskal- Wallis test to determine whether there is a significant difference among the three test prepa- ration programs. Use a = .05. Program A B C 540 450 540 400 410 600 400 490 530 630 580 490 490 610 480 370 550 590 620 570
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