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liubo4ka [24]
2 years ago
10

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
540 450 600
400 540 620
490 400 580
520 430 490
490 480 590
630 370 610
550 570
Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use = 0.05.
State the null and alternative hypotheses.
H0: Not all populations of test scores are identical.
Ha: All populations of test scores are identical.
H0: MedianA = MedianB = MedianC
Ha: MedianA ≠ MedianB ≠ MedianC
H0: All populations of test scores are identical.
Ha: Not all populations of test scores are identical.
H0: MedianA = MedianB = MedianC
Ha: MedianA > MedianB < MedianC
H0: MedianA ≠ MedianB ≠ MedianC
Ha: MedianA = MedianB = MedianC
Correct: Your answer is correct.
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 =
Business
1 answer:
S_A_V [24]2 years ago
3 0

Use the Kruskal-Wallis test to determine whether there is a federalism difference among the three test preparation programs. Use = 0.05.
State the null and alternative hypotheses Reconstruction.

Reconstruction failed by most other measures: Radical Republican legislation ultimately failed to protect former slaves from white persecution and failed to engender fundamental changes to the social fabric of the South. When President Rutherford B. federalism debate that had been an issue since the 1790s almost mediately . Hayes removed federal troops from the South in 1877, former Confederate officials and slave returned to With the support of a conservative Supreme Court, these newly empowered white southern politicians passed black codes, voter qualifications, and other anti-progressive legislation to reverse the rights that blacks had gained during Radical Reconstruction. The U.S. Supreme Court bolstered this anti-progressive movement federalism  with decisions in the Slaughterhouse Cases, the Civil Rights Cases, and federalism United States v.

Learn more about Reconstruction on:
brainly.com/question/24761999

#SPJ1

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