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An article reported the following frequencies with which ethnic characters appeared in recorded commercials that aired on Philadelphia television stations. Ethnicity: Frequency: African American 69 USE SALT Asian State the appropriate hypotheses. Ho: P1 P2 P3 = P4 = 0.250 Ha: at least one p; # 0.25 11 Caucasian 330 In a recent census, the proportions for these four ethnic groups are 0.177, 0.020, 0.734, and 0.069, respectively. Does the data suggest that the proportions in commercials are different from the census proportions? Carry out a test of appropriate hypotheses using a significance level of 0.01. (Let P₁, P2, P3, and P4 be the population proportions of the four ethnic groups (African American, Asian, Caucasian, and Hispanic respectively) appearing in commercials on Philadelphia television stations.) Ho: P₁ = 0.069, P₂ = 0.011, P3 = 0.330, P4 = 0.007 Ha: at least one p; * Pio Hispanic Ho: P₁ = 0.177, P₂ = 0.020, P3= 0.734, P4 = 0.069 Ha: at least one p; # Pio 7 Ho: P₁0.165, P2 = 0.026, P3= 0.791, P4 = 0.017 Ha: at least one p; # Pio Calculate the test statistic. (Round your answer to two decimal places.) x² =

An article reported the following frequencies with which ethnic characters appeared in recorded commercials that aired on Philadelphia television stations. Ethnicity: Frequency: African American 69 USE SALT Asian State the appropriate hypotheses. Ho: P1 P2 P3 = P4 = 0.250 Ha: at least one p; # 0.25 11 Caucasian 330 In a recent census, the proportions for these four ethnic groups are 0.177, 0.020, 0.734, and 0.069, respectively. Does the data suggest that the proportions in commercials are different from the census proportions? Carry out a test of appropriate hypotheses using a significance level of 0.01. (Let P₁, P2, P3, and P4 be the population proportions of the four ethnic groups (African American, Asian, Caucasian, and Hispanic respectively) appearing in commercials on Philadelphia television stations.) Ho: P₁ = 0.069, P₂ = 0.011, P3 = 0.330, P4 = 0.007 Ha: at least one p; * Pio Hispanic Ho: P₁ = 0.177, P₂ = 0.020, P3= 0.734, P4 = 0.069 Ha: at least one p; # Pio 7 Ho: P₁0.165, P2 = 0.026, P3= 0.791, P4 = 0.017 Ha: at least one p; # Pio Calculate the test statistic. (Round your answer to two decimal places.) x² =

MATLAB: An Introduction with Applications
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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An article reported the following frequencies with which ethnic characters appeared in recorded commercials that aired on Philadelphia television stations. Ethnicity: Frequency: African American 69 = USE SALT State the appropriate hypotheses. Ho: P₁ = P₂ = P3 = P4 = 0.250 Ha: at least one p; # 0.25 Asian 11 Caucasian 330 In a recent census, the proportions for these four ethnic groups are 0.177, 0.020, 0.734, and 0.069, respectively. Does the data suggest that the proportions in commercials are different from the census proportions? Carry out a test of appropriate hypotheses using a significance level of 0.01. (Let P₁, P₂, P3, and P4 be the population proportions of the four ethnic groups (African American, Asian, Caucasian, and Hispanic respectively) appearing in commercials on Philadelphia television stations.) Ho: P₁ = 0.069, P₂ = 0.011, P3 = 0.330, P4 = 0.007 Ha: at least one p; # Pio O Ho: P1 = 0.177, P₂ = 0.020, P3 = 0.734, P4 = 0.069 H₂: at least one p; # Pio Hispanic 7 O Ho: P₁ = 0.165, P₂ = 0.026, P3 = 0.791, P4 = 0.017 H₂: at least one p₁ + Pio Calculate the test statistic. (Round your answer to two decimal places.)
Transcribed Image Text:An article reported the following frequencies with which ethnic characters appeared in recorded commercials that aired on Philadelphia television stations. Ethnicity: Frequency: African American 69 = USE SALT State the appropriate hypotheses. Ho: P₁ = P₂ = P3 = P4 = 0.250 Ha: at least one p; # 0.25 Asian 11 Caucasian 330 In a recent census, the proportions for these four ethnic groups are 0.177, 0.020, 0.734, and 0.069, respectively. Does the data suggest that the proportions in commercials are different from the census proportions? Carry out a test of appropriate hypotheses using a significance level of 0.01. (Let P₁, P₂, P3, and P4 be the population proportions of the four ethnic groups (African American, Asian, Caucasian, and Hispanic respectively) appearing in commercials on Philadelphia television stations.) Ho: P₁ = 0.069, P₂ = 0.011, P3 = 0.330, P4 = 0.007 Ha: at least one p; # Pio O Ho: P1 = 0.177, P₂ = 0.020, P3 = 0.734, P4 = 0.069 H₂: at least one p; # Pio Hispanic 7 O Ho: P₁ = 0.165, P₂ = 0.026, P3 = 0.791, P4 = 0.017 H₂: at least one p₁ + Pio Calculate the test statistic. (Round your answer to two decimal places.)
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