23 Jun Will you test goodness-of-fit or homogeneity (in
Will you test goodness-of-fit or homogeneity (independence)? (.5 point)
b) Write the appropriate hypothesis. (.5 point)
c) Find the expected counts for each cell and explain why chi-square procedure are not
appropriate for this table. (1 point)
d) Create a new table by combining categories so that a chi-square procedure can be used. (1
point)
e) With this change in the table, what has happened to the degrees of freedom? (.5 point)
f) Test the hypothesis about the two groups and state the appropriate conclusion. (3.5 points)
Question 4 Seasonal spending (8 points)
Spending on credit cards decreases after the holiday spending season (as measured by amount
charged on a credit card in December). The data set in the file (Asst5_2014_Data.xlsx) contains
the monthly credit card charges of a random sample of 99 cardholders.
a) Check the conditions of a regression model for the dataset. (3.5 point)
b) Build a regression model to predict January spending from Decembers spending. (1 point)
c) How much, on average, will cardholders who charged $2000 in December charge in
January? (.5 point)
d) Give a 95% confidence interval for the average January charges of cardholders who charged
$2000 in December? (1.5 points)
e) From part d), give a 95% confidence interval for the average decrease in the charges of
cardholders who charged $2000 in December? (1 poin
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.