Week 5 revision

Week 5

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 develop the ability to use statistical analysis and verify whether or not a claim is valid before advertising it. 

Assignment Steps 

Resources: Microsoft Excel®, Spicy Wings Case Study, Spicy Wings Data Set 

Develop a 700-word statistical analysis. 

Use descriptive statistics to compute a measure of performance John can use to analyze his delivery performance. Find the following for your measures:

• Mean

• Standard deviation

• Sample size

• Five-number summary on the total time 

Conduct a formal hypothesis testing to help John decide whether to offer the delivery guarantee or not. 

Estimate the probability of an order taking longer than 30 minutes. 

Make a recommendation in a short narrative including the following:

• Based on the sampled data, should John offer the guarantee?

• What percent of the Saturday deliveries would result in a customer receiving a free order?

• What recommendations might help John improve his Saturday delivery times?

Format your assignment consistent with APA format.