There's a clainm that the average starting salary of an engineer in the Philippines Php 35,000. You wish to test the claim that the starting salary is less than Php 35,000. You took a random sample of 8 starting engineer practitioners and finds that their average starting salary is Php 30,000 with standard deviation of Php 5,000. Is there enough evidence to support the claim at 0.1 level of significance?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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a) state the null and alternative hypotheses

b) what is the critical value/region

c) solve the z value/t value

d) conclusion

There's a claim that the average starting salary of an engineer in the Philippines is
Php 35,000, You wish to test the claimn that the starting salary is less than Php
35,000. You tookarandom sample of 8 starting engineer practitioners and finds
that their average storting salary is Php 30,000 wth standard deviation of Php
5,000. Is there enough evidence to support the claim at 0.1 level of significance?
Transcribed Image Text:There's a claim that the average starting salary of an engineer in the Philippines is Php 35,000, You wish to test the claimn that the starting salary is less than Php 35,000. You tookarandom sample of 8 starting engineer practitioners and finds that their average storting salary is Php 30,000 wth standard deviation of Php 5,000. Is there enough evidence to support the claim at 0.1 level of significance?
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