1. A news article reported that Philippines is the world's top Facebook user with an average daily usage of 4.25 hours. A social worker surveyed 50 teens in her barangay and asked them about their Facebook usage. It was found that the average usage of the selected teenagers is 5.5 hours with standard deviation of 2.4 hours. Is there sufficient evidence that teens in their barangay use Facebook longer? Use a = 0.05. In words, define the random variable X = а. b. Но: Ha:. с. На: d. The level of significance is Determine the test statistic using the data (show solution). е. f. Provide the decision rule of the test. g. Decision: h. Write a clear conclusion using the format: i. sufficient evidence to reject the null hypothesis that at < % level of significance>.
1. A news article reported that Philippines is the world's top Facebook user with an average daily usage of 4.25 hours. A social worker surveyed 50 teens in her barangay and asked them about their Facebook usage. It was found that the average usage of the selected teenagers is 5.5 hours with standard deviation of 2.4 hours. Is there sufficient evidence that teens in their barangay use Facebook longer? Use a = 0.05. In words, define the random variable X = а. b. Но: Ha:. с. На: d. The level of significance is Determine the test statistic using the data (show solution). е. f. Provide the decision rule of the test. g. Decision: h. Write a clear conclusion using the format: i. sufficient evidence to reject the null hypothesis that at < % level of significance>.
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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Transcribed Image Text:1. A news article reported that Philippines is the world's top Facebook user with an average daily
usage of 4.25 hours. A social worker surveyed 50 teens in her barangay and asked them about
their Facebook usage. It was found that the average usage of the selected teenagers is 5.5 hours
with standard deviation of 2.4 hours. Is there sufficient evidence that teens in their barangay
use Facebook longer? Use a = 0.05.
In words, define the random variable X =
b. Но:
Ha:
с. На:
d. The level of significance is
Determine the test statistic using the data (show solution).
f.
Provide the decision rule of the test.
g. Decision:
h. Write a clear conclusion using the format:
i. <There is / There is no> sufficient evidence to reject the null hypothesis that
<insert null hypothesis in words> at <
% level of significance>.
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