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2. A researcher claims that the average salary of an engineer in the Philippines is more than P50,700. A sample of 60 engineers was selected and found that their mean salary is P41,000 with a standard deviation of P5,000. Is there sufficient evidence to support the claim of the researcher at 0.05 level of significance? Ho: Ha:

2. A researcher claims that the average salary of an engineer in the Philippines is more than P50,700. A sample of 60 engineers was selected and found that their mean salary is P41,000 with a standard deviation of P5,000. Is there sufficient evidence to support the claim of the researcher at 0.05 level of significance? Ho: Ha:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A. Formulate the null and alternative hypothesis of the following statements. 1. The Department wants to know if the average working hours in preparing a full meal is 3 hours. Ho: На: 2. A researcher claims that the average salary of an engineer in the Philippines is more than P50,700. A sample of 60 engineers was selected and found that their mean salary is P41,000 with a standard deviation of P5,000. Is there sufficient evidence to support the claim of the researcher at 0.05 level of significance? Ho: На: 3. The registrar wants to know if the average encoding period of time in the school automate is 30 minutes. Но: На: 4. Does the data suggest that the population mean dosage of this brand is different than 50 mg? Ho: На:
Transcribed Image Text:A. Formulate the null and alternative hypothesis of the following statements. 1. The Department wants to know if the average working hours in preparing a full meal is 3 hours. Ho: На: 2. A researcher claims that the average salary of an engineer in the Philippines is more than P50,700. A sample of 60 engineers was selected and found that their mean salary is P41,000 with a standard deviation of P5,000. Is there sufficient evidence to support the claim of the researcher at 0.05 level of significance? Ho: На: 3. The registrar wants to know if the average encoding period of time in the school automate is 30 minutes. Но: На: 4. Does the data suggest that the population mean dosage of this brand is different than 50 mg? Ho: На:
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