Answered: Using Nonparametric Tests. In Exercises…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Using Nonparametric Tests. In Exercises 1–10, use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter.

World Series The last 110 baseball World Series ended with 63 wins by American League teams and 47 wins by National League teams. Use the sign test to test the claim that in each World Series, the American League team has a 0.5 probability of winning.

Expert Solution

Step 1

Given
Random sample of 110 world series, wins of American League teams = 63
wins of National League teams = 47
Null hypothesis H₀ : p = 0.5
Alternative hypothesis H_a : p ≠ 0.5

The level of significance = 0.05
The test statistic is calculated as shown below

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