# Hypothesis Testing And Statistical Inference

Hypothesis Testing And Statistical Inference
Name:
Directions:
· In this project you will be using the Salary Data file that is found in Doc Sharing under the Instructor-Graded Projects:
· Steps for accessing the Salary Data file:
1. Open your Excel with PhStat2
2. Click File—Open
3. Select the Salary Data file
· Not all questions require the use of technology or the Salary Date file.
· You may insert your answers, including any charts, graphs, or output, on this document.
· Be sure to put your name on this document and save it to your computer.
1. For each the following variables from the Salary Data Set provide the measures of location and measures of dispersion for the following variables:
1. Previous Experience
2. Education
3. Which variable has the greatest relative variability?
2. You are the manager of a high-end ladies fashion store. For the past few months you have been gathering data and found that 45% of persons entering the store actually make a purchase. Assume these data follow a Binomial Distribution and use Excel to calculate the following binomial probabilities:
1. If 15 people enter the store, what is the probability that 9 of them will make a purchase?
2. What is the probability that at least 6 of the 15 people will make a purchase?
3. Using the Salary Data Set what is the probability of randomly selecting one individual (male or female) with a current annual salary of over \$55,000?
4. The time required to complete a project is normally distributed with a mean of 80 weeks and a standard deviation of 5 weeks. The construction company must pay a penalty if the project is not finished by the due date of the contract. If a construction company bidding on this contract wishes to be 90 percent sure of finishing by the due date, use the NORMINV Excel Function to determine what due date (project week

## Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
\$26
The price is based on these factors:
Number of pages
Urgency
Basic features
• Free title page and bibliography
• Unlimited revisions
• Plagiarism-free guarantee
• Money-back guarantee
On-demand options
• Writer’s samples
• Part-by-part delivery
• Overnight delivery
• Copies of used sources
Paper format
• 275 words per page
• 12 pt Arial/Times New Roman
• Double line spacing
• Any citation style (APA, MLA, Chicago/Turabian, Harvard)

# Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

### Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

### Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

### Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.