15 May DESCRIBE IN YOUR OWN WORDS A TEST OF INDEPENDENCE AND A TEST OF HOMOGENEITY.
Please answer the following questions
- Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi-
square distribution curve. What is the value of chi-square? Round to three decimal places
- Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chi-square distribution curve. What is the value of chi-square? Round to three decimal places
- Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chi-square distribution curve. What is the value of chi-square? Round to three decimal places.
- A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
- The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x
For the following 2 questions please use 200 word answers.
- Describe in your own words a test of independence and a test of homogeneity. Give one example of each. Explain how the expected frequencies for cells of a contingency table are calculated in a test of independence or homogeneity. How do you find the degrees of freedom for such tests? To make a test of independence or homogeneity, what should be the minimum expected frequency for each cell? What are the alternatives if this condition is not satisfied?
- Explain the meaning of the words simple and linear as used in simple linear regression. Explain the meaning of independent and dependent variables for a regression model. Explain the difference between exact and nonexact relationships between two variables. Give one example of each. Explain the difference between linear and nonlinear relationships between two variables.
Attachments:
qnt275_questions.docx
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Order Now” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.