Answered: Reject Ho Do not reject Ho 0.05 -1.645…

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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Question

Exercises contain graphs portraying the decision criterion for a one-mean z-test. The curve in each graph is the normal curve for the test statistic under the assumption that the null hypothesis is true. For each exercise, determine the

a. rejection region.

b. nonrejection region.

c. critical value(s).

d. significance level.

e. Construct a graph similar to that in Fig on page 378 that depicts your results from parts (a)–(d).

f. Identify the hypothesis test as two tailed, left tailed, or right tailed.

FIGURE Rejection region, nonrejection region, and critical value for the golf-driving-distances hypothesis test

Reject Ho Do not reject Ho
0.05
-1.645
Rejection Critical
Nonrejection
region
region
value

Reject Ho Do not reject Ho Reject Ho
0.025 i
I 0.025
-1.96
1.96

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