2. One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average salary of a civil engineer is Php 18,000. A sample of 19 civil engineer's salary has a mean of Php 17,350 and a standard deviation of Php 1,230. Is there enough evidence to reject the undersecretary's claim at a = 0.01? Solution: Step 1: Null and alternative hypothesis H₂: H₂: [ Step 2: Significance level a = Step 3: Test statistic: Step 4: Decision rule: Step 5: Decision:
2. One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average salary of a civil engineer is Php 18,000. A sample of 19 civil engineer's salary has a mean of Php 17,350 and a standard deviation of Php 1,230. Is there enough evidence to reject the undersecretary's claim at a = 0.01? Solution: Step 1: Null and alternative hypothesis H₂: H₂: [ Step 2: Significance level a = Step 3: Test statistic: Step 4: Decision rule: Step 5: Decision:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Lesson:
Hypothesis Testing:
Testing the Population Mean
![2. One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the
average salary of a civil engineer is Php 18,000. A sample of 19 civil engineer's salary has a mean of
Php 17,350 and a standard deviation of Php 1,230. Is there enough evidence to reject the
undersecretary's claim at a = 0.01?
Solution:
Step 1: Null and alternative hypothesis
Ho:
H₂:
[
Step 2: Significance level
a =
Step 3: Test statistic:
Step 4: Decision rule:
Step 5: Decision:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcafa2ff2-56a2-4003-adb4-6523e729b1d5%2Fd003d9a7-9614-4497-aa9b-a73c015d5325%2Fesbi425_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the
average salary of a civil engineer is Php 18,000. A sample of 19 civil engineer's salary has a mean of
Php 17,350 and a standard deviation of Php 1,230. Is there enough evidence to reject the
undersecretary's claim at a = 0.01?
Solution:
Step 1: Null and alternative hypothesis
Ho:
H₂:
[
Step 2: Significance level
a =
Step 3: Test statistic:
Step 4: Decision rule:
Step 5: Decision:
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