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The employment status of working students in Olongapo City is below. Is there any auference in the proportion of employed in males and females? At .05 level of significance Gender Males Females Total Employment Status Employed 256 204 460 Unemployed 23 77 100

The employment status of working students in Olongapo City is below. Is there any auference in the proportion of employed in males and females? At .05 level of significance Gender Males Females Total Employment Status Employed 256 204 460 Unemployed 23 77 100

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
Section: Chapter Questions
Problem 22SGR
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The employment status of working students in Olongapo City is below. Is there any auference in the proportion of employed in males and females? At .05 level of significance Gender Males Females Total Employment Status Employed 256 204 460 Unemployed 23 77 100
Transcribed Image Text:The employment status of working students in Olongapo City is below. Is there any auference in the proportion of employed in males and females? At .05 level of significance Gender Males Females Total Employment Status Employed 256 204 460 Unemployed 23 77 100
Solution 1. Ho: The average life span today is not greater than 72 years. Ha: The average life span today is greater than 72 years. 0.05 2. 3. t-test (one-tailed) 4. df=n-1 df=100-1=99 t₁ = 1.66 Tabular value 5. Computation using the formula for sample mean compared with population mean tc = Substitute the given values in the formula tc (x-μ)√n S = F = 69 = 72 μ n = 100 S = 8.9 HOW (69-72)√/100 8.9 tc = -3.37 6. Decision: Since t computed value of -3.37 is less than tabular value of 1.66. Therefore, we reject our null hypothesis (Ho). 7. Formulate conclusion: The average life span today is greater than 72 years.
Transcribed Image Text:Solution 1. Ho: The average life span today is not greater than 72 years. Ha: The average life span today is greater than 72 years. 0.05 2. 3. t-test (one-tailed) 4. df=n-1 df=100-1=99 t₁ = 1.66 Tabular value 5. Computation using the formula for sample mean compared with population mean tc = Substitute the given values in the formula tc (x-μ)√n S = F = 69 = 72 μ n = 100 S = 8.9 HOW (69-72)√/100 8.9 tc = -3.37 6. Decision: Since t computed value of -3.37 is less than tabular value of 1.66. Therefore, we reject our null hypothesis (Ho). 7. Formulate conclusion: The average life span today is greater than 72 years.
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