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1. A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations manager of a large taxi company selects a sample of 40 taxis and finds the average age of the taxis is 8.2 years. The o of the population is 2.3 years. At a = 0.05, can it be concluded that the average age of the taxis in his company is less than the national average? Solution: Step 1: State the Hypothesis Ho: H: Step 2: The level of significance and critical region. a =_ and zZcritical = Step 3: Compute for the value of one sample z test. Zcomputed = Step 4: Decision rule. Step 5: Conclusion:

1. A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations manager of a large taxi company selects a sample of 40 taxis and finds the average age of the taxis is 8.2 years. The o of the population is 2.3 years. At a = 0.05, can it be concluded that the average age of the taxis in his company is less than the national average? Solution: Step 1: State the Hypothesis Ho: H: Step 2: The level of significance and critical region. a =_ and zZcritical = Step 3: Compute for the value of one sample z test. Zcomputed = Step 4: Decision rule. Step 5: Conclusion:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations manager of a large taxi company selects a sample of 40 taxis and finds the average age of the taxis is 8.2 years. The σ of the population is 2.3 years. At ? = 0.05, can it be concluded that the average age of the taxis in his company is less than the national average?

1. A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations manager of a large taxi company selects a sample of 40 taxis and finds the average age of the taxis is 8.2 years. The o of the population is 2.3 years. At a = 0.05, can it be concluded that the average age of the taxis in his company is less than the national average? Solution: Step 1: State the Hypothesis Ho: H: Step 2: The level of significance and critical region. a =_ and zZcritical = Step 3: Compute for the value of one sample z test. Zcomputed = Step 4: Decision rule. Step 5: Conclusion:
Transcribed Image Text:1. A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations manager of a large taxi company selects a sample of 40 taxis and finds the average age of the taxis is 8.2 years. The o of the population is 2.3 years. At a = 0.05, can it be concluded that the average age of the taxis in his company is less than the national average? Solution: Step 1: State the Hypothesis Ho: H: Step 2: The level of significance and critical region. a =_ and zZcritical = Step 3: Compute for the value of one sample z test. Zcomputed = Step 4: Decision rule. Step 5: Conclusion:
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