Asked by Desiree Garza on May 17, 2024
Verified
The results of a recent poll on the preference of voters regarding presidential candidates are shown below. 
Using α = .05, test to determine whether or not there is a significant difference between the preferences for the two candidates.
Presidential Candidates
Individuals who officially run for the office of the presidency in a country's elections.
Voters' Preferences
The choices or tendencies of individuals within a populace regarding candidates, policies, or proposals in an election.
Level of Significance
The likelihood of incorrectly dismissing the null hypothesis during a statistical analysis despite it being correct.
- Display competence in assessing theories pertaining to variances in means and proportions across two groups.
Verified Answer
H0: pA - pB = 0
Ha: pA - pB ≠ 0
z = -.58; p-value = .562; do not reject H0; it cannot be concluded that there is a significant difference between the preferences.
Learning Objectives
- Display competence in assessing theories pertaining to variances in means and proportions across two groups.
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