Get a unique, high-quality and non-plagiarized paper from us today at the most affordable price
Email us : premieredtutorials@gmail.com

## The production department

 The production department of Celltronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, 3 employees were assigned to assemble the subassemblies. They produced 14 during a one-hour period. Then 5 employees assembled them. They produced 23 during a one-hour period. The complete set of paired observations follows.

 Number of Assemblers One-Hour Production (units) 3 14 5 23 2 9 6 38 4 26

 The dependent variable is production; that is, it is assumed that different levels of production result from a different number of employees.

 b. A scatter diagram is provided below. Based on it, does there appear to be any relationship between the number of assemblers and production?

 (Click to select) Yes No , as the number of assemblers (Click to select) decreases increases , so does the production.

 c. Compute the correlation coefficient. (Negative amounts should be indicated by a minus sign. Round sx, sy and r to 3 decimal places.)

 X Y ( )2 ( )2 ( )( ) 3 14 -8 64 5 23 1 1 1 2 9 -13 169 6 38 2 4 32 4 26 4 0 0

 = = sx =

sy=  r=

2.

 The following sample observations were randomly selected. (Round your answers to 2 decimal places.)

 X: 4 5 3 6 10 Y: 9.8 10.6 7 13.4 19.6

 a. The regression equation is   = + X b. When X is 7 this gives =

 The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year.

 Car Age (years) Selling Price (\$000) Car Age (years) Selling Price (\$000) 1 9 8.1 7 8 7.6 2 7 6.0 8 11 8.0 3 11 3.6 9 10 8.0 4 12 4.0 10 12 6.0 5 8 5.0 11 6 8.6 6 7 10.0 12 6 8.0

 a. If we want to estimate selling price on the basis of the age of the car, which variable is the dependent variable and which is the independent variable? (Click to select) Car Selling price Age  is the independent variable and (Click to select) selling price age car  is the dependent variable.

4.

 b-1. Determine the correlation coefficient. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

 X Y ( )2 ( )2 ( )( ) 9.0 8.1 1.192 0.007 1.420 0.099 7.0 6.0 -0.908 3.674 0.825 1.741 11.0 3.6 2.083 4.340 10.945 -6.892 12.0 4.0 3.083 9.507 8.458 -8.967 8.0 5.0 -0.917 -1.908 3.642 1.749 7.0 10.0 -1.917 3.092 9.558 -5.926 8.0 7.6 -0.917 0.692 0.840 -0.634 11.0 8.0 2.083 1.092 4.340 2.274 10.0 8.0 1.083 1.092 1.174 1.192 12.0 6.0 3.083 -0.908 9.507 0.825 6.0 8.6 -2.917 1.692 8.507 2.862 -4.934 6.0 8.0 -2.917 1.092 8.507 1.192 -3.184 107.000 82.900

 = = sx = sy =

 r =

 b-2. Determine the coefficient of determination. (Round your answer to 3 decimal places.)

 c. Interpret the correlation coefficient. Does it surprise you that the correlation coefficient is negative? (Round your answer to nearest whole number.) (Click to select) No Moderate Strong correlation between age of car and selling price. So,  % of the variation in the selling price is explained by the variation in the age of the car.

5.

 Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 20 stations last Tuesday, the correlation was .78.

 At the .01 significance level, is the correlation in the population greater than zero? (Round your answer to 3 decimal places.)

 The test statistic is .

 Decision: (Click to select) Reject Do not reject H0: ρ ≤ 0

Place your order now for a similar paper and have exceptional work written by our team of experts to guarantee you A Results

Why Choose US

6+ years experience on custom writing
80% Return Client
Urgent 2 Hrs Delivery
Unlimited Free Revisions

#### Looking for a similar assignment. Place your order for a similar paper now and have excellent work written by our team of professionals to ensure you acquire the best grades.

If you find it difficult to balance your work and your studies because you are overwhelmed by other responsibilities, you have come to the right place . With the help of our dependable and simple-to-use essay and research writing service, students are able to focus on work or non-academic-related duties that they are required to carry out and complete all their school work on time .

We assist students who are struggling with their academic endeavors by allowing them to obtain essay assistance from  professional essay writers. We are never late for a deadline. When you ask our writer to write your paper, the assignment can be completed in as little as 12 hours or as long as 2 weeks. The order’s deadline is entirely up to you.

Place an order of your assignment if you are in urgent need of assistance because your essay is due in a few hours/days or you do not know how to complete your professor’s academic assignment. We are here to assist you. You are guaranteed of high grades through our services.

#### How to Place an Order

When you want Premiered Tutorials to do your homework for you, you send the assignment details such as the instructions, due date/deadline, number of pages and college level to the customer support agent online on live chat,  fill in the assignment details at place an order or send the information to our email address premieredtutorials@gmail.com and a customer support agent will respond to you immediately.

Premiered Tutorials has competent writers to handle any of your assignments. Once you place your order, we choose for you the best and competent writer for your assignment based on each writer’s competence in handling a subject.

When the homework is completed, we have a quality assurance team that proofreads the assignment to ensure it meets the required rubric instructions from your professor.

After thorough review of your assignment, we send the paper to the client. In case you need any changes at this point, you can let us know so that we can handle it for you at no extra charge.

#### Why Premiered Tutorials?

If you need professional online homework help at a cheap price from professional and thoroughly vetted online homework helpers, reach out to the best homework help website, Premiered Tutorials.

Whether you are in high school, undergraduate, masters or PhD level, we have the best academic writers to assist you with your homework. We thoroughly vet all our online homework helpers to ensure they are competent to handle our clients’ tasks. Some of the requirements we have is ensuring that they are English Native speakers, have all attended colleges and had high grades in their undergraduate, Masters and PhD classes and have worked as academic writers and delivered high results.

We are a reliable and best essay writing website in the market. Our assignment help services or rather what our clients ask us to do for them include take my online class for me, order an essay cheap, pay someone to write my essay, help with my assignments, history homework help, college homework help, essay writing help online, answers for your homework, pay someone to do my homework for me, homework answers math, pay someone to take my proctored exams and nursing homework assignment help online. As the best website for homework answers, our homework doers also offer cheap essay writing services, online assignment help for all classes

• Law/ Criminal Law
• Nursing
• Information Technology
• Psychology
• Statistics
• Sociology
• History
• Communication
• Culture and Society
• Biology
• Astronomy
• Engineering

The courses indicated above are just but a small group of the types of classes Premiered Tutorials handles.

We have competent homework writers that can handle all academic disciplines regardless of the level of education of our clients.

When we do your homework for you, we write it from scratch to ensure you receive a unique paper. It also ensures that every homework we do for you is free from plagiarism and will help the client to get the highest grades in his or her classes. Any client who manages to consistently use our homework help services is guaranteed of always having the best grades and being one of the top students in the class because we always deliver the best quality for any homework we do for you.

When we complete working on your homework, we deliver the paper to you on time as we are well aware that the work we handle, is time sensitive. Timely deliveries of assignments help our clients get the highest grades because missed deadlines on assignments can result to deductions of marks for late submissions. Therefore, you will always be assured of quality online homework help through Premiered Tutorials whenever you ask us to do your homework for you.

#### Why we should write your Paper

1. Money Return guarantee
2. 0% Plagiarism Rate
3. Guaranteed Privacy
4. Written from scratch by highly qualified writers
5. Communication at Any Time (24/7)
6. Flexible Pricing and Great Discount Programs
7. Timely Deliveries
8. Free Amendments