In a previous year, 55% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 750 females aged 15 and older and finds that 410 are living alone. Is there sufficient evidence at the a= 0.05 level of significance to conclude the proportion has changed? 10, the sample size is Because npo (1-Po) = (Round to one decimal place as needed.) Identify the null and alternative hypotheses for this test. versus H₁: (Type integers or decimals. Do not round.) Find the test statistic for this hypothesis test. Zo= (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. P-value= (Round to three decimal places as needed.) State the conclusion for this hypothesis test. than a, Since the P-value is (Type an integer or a decimal. Do not round.) Ho. There 5% of the population size, and the sample ▼ a random sample, all of the requirements for testing the hypothesis satisfied. ▼sufficient evidence at the a= level of significance to conclude that the proportion of females aged 15 and older who are living alone has changed.
In a previous year, 55% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 750 females aged 15 and older and finds that 410 are living alone. Is there sufficient evidence at the a= 0.05 level of significance to conclude the proportion has changed? 10, the sample size is Because npo (1-Po) = (Round to one decimal place as needed.) Identify the null and alternative hypotheses for this test. versus H₁: (Type integers or decimals. Do not round.) Find the test statistic for this hypothesis test. Zo= (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. P-value= (Round to three decimal places as needed.) State the conclusion for this hypothesis test. than a, Since the P-value is (Type an integer or a decimal. Do not round.) Ho. There 5% of the population size, and the sample ▼ a random sample, all of the requirements for testing the hypothesis satisfied. ▼sufficient evidence at the a= level of significance to conclude that the proportion of females aged 15 and older who are living alone has changed.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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