a. Calculate the Standard Error oz-in (3 decimal places) b. Calculate the Z-test statistic using the standard error from part a. z = (2 decimal places) C. At a = 0.1, Use the distribution table to find the critical values for the rejection region %3D (3 decimal places)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Tests the claim that 41 > p2. Assume the samples are random and independent.
01 = 0.57 ; o2 = 0.53
= 42.69 ; z2 = 42.43
n1 = 41 ; n2 = 42
Standard Error
Z-Test Statistic
(71- 2) – (41 – H2)
-
ni
n2
a. Calculate the Standard Error o -in =
(3 decimal places)
b. Calculate the Z-test statistic using the standard error from
a. z =
(2 decimal places)
C. At a = 0.1, Use the distribution table to find the critical values for the rejection region
(3 decimal places)
Transcribed Image Text:Tests the claim that 41 > p2. Assume the samples are random and independent. 01 = 0.57 ; o2 = 0.53 = 42.69 ; z2 = 42.43 n1 = 41 ; n2 = 42 Standard Error Z-Test Statistic (71- 2) – (41 – H2) - ni n2 a. Calculate the Standard Error o -in = (3 decimal places) b. Calculate the Z-test statistic using the standard error from a. z = (2 decimal places) C. At a = 0.1, Use the distribution table to find the critical values for the rejection region (3 decimal places)
Expert Solution
Step 1

Given : n1=41 , n2=42 , X1-bar=42.69 , X2-bar=42.43 ,  σ1=0.57 , σ2=0.53  , α=0.1

Our aim is to find the following : 

a) Standard error

b) Z-test statistic

c) Critical value

 

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