# Spicy Wings Case, statistics homework help

*label*Mathematics

*timer*Asked: May 17th, 2017

*account_balance_wallet*$10

**Question description**

**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 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 minimum of 700-word (no more than 750 words) 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.

Submit 2 files:

1. word document paper,

2. Excel file showing all the word and calculations done

At least 2 references and in text citation

NOTE: Attached files are the resources to start and finish this assignemnt.

## Tutor Answer

Attached.

Running HEAD: Spicy Wings Case

1

Spicy Wings Case

Name

Institution Affiliation

Running HEAD: Spicy Wings Case

2

Descriptive Statistics

N

Minimum

Maximum

Mean

Std. Deviation Skewness

Kurtosis

Statistic

Statistic

Statistic

Statistic

Statistic

Statistic

Std. Error Statistic

Std. Error

PickupTime

200

.00

7.63

3.6109

1.97170

-.713

.172

-.383

.342

DriveTime

200

3.30

28.15

18.9117

4.35610

-.494

.172

.251

.342

200

8.75000000000 31.9000000000 22.5226000000 4.87412935041 -.523

.172

.025

.342

TotalTime

0100

00100

00107

9835

Valid N (listwise) 200

Interpretation of output from the descriptive statistics

The population size N is 200 for all the factors considered.

The range of the pickup Time is from 0.00 minutes to 7.63 minutes with a mean of 3.6109 minutes and a standard deviation of

1.97170. The variable is negatively skewed (-0.713) indicating the presence of pickup Times above mean (3.6109). The distribution among

the sample is negatively peaked (-0.383) indicating that the pickup Time does not cluster around the center, (Samuels et al, 20...

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