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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter4: Equations Of Linear Functions
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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
540
450
600
630
580
490
590
620
570
400
490
530
540
400
410
490
480
370
550
610
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 540 450 600 630 580 490 590 620 570 400 490 530 540 400 410 490 480 370 550 610
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