Description
Revised Week 5 assignment: One-Sample Hypothesis Testing Cases
Purpose of Assignment
The purpose of this assignment is to develop students' abilities to combine the knowledge of descriptive statistics covered in Weeks 1 and 2 and one-sample hypothesis testing to make managerial decisions. In this assignment, students will learn how statistical analysis is used in predicting an election winner in the first case. In the second case, students will conduct a hypothesis test to decide whether or not a shipping plan will be profitable.
Assignment Steps
Resources: Microsoft Excel®, Case Study Scenarios
Develop a 700- to 900- word statistical analysis based on the Case Study Scenarios.
Include answers to the following:
Case 1: Election Results
- Use 0.10 as the significance level (α).
- Conduct a one-sample hypothesis test to determine if the networks should announce at 8:01 P.M. the Republican candidate George W. Bush will win the state.
- If you change the significance level to .05, would you keep the same conclusion?
- If you change the significance level to .01, would you keep the same conclusion?
Format your assignment consistent with APA format.
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Explanation & Answer
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Running head: PRESIDENTIAL ELECTION POLL CASE STUDY
Presidential election poll case study
(Name)
(Course)
(Date)
1
PRESIDENTIAL ELECTION POLL CASE STUDY
2
Presidential election poll case study
Statistics are commonly used in assisting the decision-making processes in the company
(Siegel, 2016). The present case study evaluates the decision-making process of a media
communications company. In this regard, it focuses on the evaluation of the probability that
George W. Bush wins the elections according to the data obtained from a voting poll. The main
impact of such decision for the media company is the recognition of the company if it is the first
one to announce who will win the presidential elections with the correct result.
From this point of view, a hypothesis test has been conducted to evaluate if the proportion
of voters that voted George W. Bush according to the results obtained from the voting poll is
significantly different from 50% (p = 0.50). If that is the case, the company w...