1. An economist claims that the mean family income of a certain populated area in Metro Manila is 22450php monthly. Test the claim at a 0.05 level of significance. The economics students take a sample of 150 families obtaining a mean of 19769php with a standard deviation of 529php. What is the conclusion?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.7: Applied Problems
Problem 23E
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Applied Stat. Hypo Testing.
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Hypothesis Testing Procedures
1. Formulate the Null and Alternative Hypothesis
2. Decide the level of significance
3. Choose the appropriate test statistics
4. Establish the critical region
5. Compute the value of the statistical test
6. Decide whether to accept or reject the null
hypothesis
7. Draw a conclusion
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Transcribed Image Text:Applied Stat. Hypo Testing. Sign in O X File Home Insert Desigr Transit Anima Slide S Recore Reviev View Help O Tell me & Share E - IIA BIUS abe AV 三 Paste Slides Drawing Editing A - Aa - A A = Clipboard Font Paragraph 1 12 11 10 I-I18.111 6.1 41112.110. 1112-1114:11. 110 I12 Hypothesis Testing Procedures 1. Formulate the Null and Alternative Hypothesis 2. Decide the level of significance 3. Choose the appropriate test statistics 4. Establish the critical region 5. Compute the value of the statistical test 6. Decide whether to accept or reject the null hypothesis 7. Draw a conclusion Click to add notes Slide 6 of 8 Notes Comments Thumbnails
1. An economist claims that the mean family income of a certain populated area in Metro Manila is 22450php
monthly. Test the claim at a 0.05 level of significance. The economics students take a sample of 150 families
obtaining a mean of 19769php with a standard deviation of 529php. What is the conclusion?
Transcribed Image Text:1. An economist claims that the mean family income of a certain populated area in Metro Manila is 22450php monthly. Test the claim at a 0.05 level of significance. The economics students take a sample of 150 families obtaining a mean of 19769php with a standard deviation of 529php. What is the conclusion?
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