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One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average salary of a civil engineer is Php18,000. A sample of 19 engineers' salaries has a mean of Php17,350 and a standard deviation of Php1,230. What type of test is appropriate in the situation? f-test z-test x-test t-test Previous Next

One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average salary of a civil engineer is Php18,000. A sample of 19 engineers' salaries has a mean of Php17,350 and a standard deviation of Php1,230. What type of test is appropriate in the situation? f-test z-test x-test t-test Previous Next

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 3GP
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One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average salary of a civil engineer is Php18,000. A sample of 19 engineers' salaries has a mean of Php17,350 and a standard deviation of Php1,230. What type of test is appropriate in the situation? f-test z-test x-test t-test Previous Next
Transcribed Image Text:One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average salary of a civil engineer is Php18,000. A sample of 19 engineers' salaries has a mean of Php17,350 and a standard deviation of Php1,230. What type of test is appropriate in the situation? f-test z-test x-test t-test Previous Next
A vendo machine is designed to fill paper cups with 8 ounces of hot coffee with different flavors. A customer suspects that the machine is not filling the paper cups completely. A sample of 15 cups has a mean of 7.75 ounces and a standard deviation of 0.7 ounce. Is there enough evidence to support the customer's claim at a = 0.05? STEP 1: Claim: The vendo machine fills the paper cup with [a]. Ho: The vendo machine fills the paper cup with [b]. Ha: The vendo machine fills the paper cup with [c]. STEP 2: Type of test: [d] Critical value/s: [e] α = 0.05 STEP 3: What is the computed test value? [f] STEP 4: Decision: [g] STEP 5: Conclusion: [h] There [a] between the sample mean and population mean. Thus, there. [b] choose your answer... Y [f] choose your answer... choose your answer... choose your answer... to support the customer's claim. ✓ [c] choose your answer... [g] choose your answer... [d] choose your answer... [h] choose your answer... [e]
Transcribed Image Text:A vendo machine is designed to fill paper cups with 8 ounces of hot coffee with different flavors. A customer suspects that the machine is not filling the paper cups completely. A sample of 15 cups has a mean of 7.75 ounces and a standard deviation of 0.7 ounce. Is there enough evidence to support the customer's claim at a = 0.05? STEP 1: Claim: The vendo machine fills the paper cup with [a]. Ho: The vendo machine fills the paper cup with [b]. Ha: The vendo machine fills the paper cup with [c]. STEP 2: Type of test: [d] Critical value/s: [e] α = 0.05 STEP 3: What is the computed test value? [f] STEP 4: Decision: [g] STEP 5: Conclusion: [h] There [a] between the sample mean and population mean. Thus, there. [b] choose your answer... Y [f] choose your answer... choose your answer... choose your answer... to support the customer's claim. ✓ [c] choose your answer... [g] choose your answer... [d] choose your answer... [h] choose your answer... [e]
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