In: Statistics and Probability
Three admission test preparation programs are being evaluated. Suppose the scores obtained by a sample of 20 people who used the programs provided the following data.
Program | ||
---|---|---|
A | B | C |
510 | 450 | 600 |
400 | 510 | 640 |
490 | 400 | 580 |
540 | 420 | 490 |
490 | 480 | 590 |
620 | 360 | 630 |
550 | 560 |
Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use α = 0.05.
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to three decimal places.)
p-value =
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