Suppose answer to above question is yes indicate how many

Assignment Help Mathematics

Reference no: EM13473262

Macy's Department stores accepts several credit cards. The chief operating officer of Macy's is interested in finding out whether Macy's customers use Macy's credit card more often than some other credit cards like Visa and American Express. The CEO is interested in finding out of there is a difference in the mean amounts (dollars) charged by customers on their Visa, American Express, and Macy's Dept. Store credit card. A random sample of 18 credit card purchases revealed the following (see table)

Purchase	Visa	American Express	Macy's Credit Card
1	$61	$85	$61
2	$28	$56	$25
3	$42	$44	$42
4	$33	$72	$31
5	$51	$98	$29
6	$56	$56
7		$72
8
9

Questions:

Can you use the t-test to answer the above research question?
Assume the answer to the above question is YES. Indicate how many hypothesis tests are you going to conduct?
Assume the answer to the above question is NO. Indicate why you cannot use the t-test to answer the above research question?
What test statistic are you going to test the above research question?
Compare and contrast the test statistic (from question 4) to the t test statistic?
Identify and list the types of variables in the above problem?
Write the null hypothesis in words and symbols
Write the alternative hypothesis in words and symbols
Compute the test statistic for the above hypothesis
At alpha equal to 0.05, determine the critical value for the above test
What is your decision regarding the above research question and indicate why?

Reference no: EM13473262

Questions Cloud

Reinforced soil wall major project project reinforced soil : major project project reinforced soil wall design ltbrgtintroduction ltbrgtyour project group is required to design a

At a certain university 25 of students support the green : at a certain university 25 of students support the green party. suppose we take samples of size 100 students and are

What is the r and adjusted r-square for all independent : a cancer specialist from the los angeles county general hospital lacgh rated patient optimism in 20- to 40-year-old

A triangle has a perimeter of 34 inches the medium side is : a triangle has a perimeter of 34 inches. the medium side is 4 more than the short side and the longest side is 4 times

Suppose answer to above question is yes indicate how many : macys department stores accepts several credit cards. the chief operating officer of macys is interested in finding out

Pete smith found in his attic a woody woodpecker watch in : pete smith found in his attic a woody woodpecker watch in its original box. it had a price tag on it for 4.40. the

Develop a 95 confidence interval for the expected value of : x 31262014y 5540 551015a compute an estimate of the standard deviation of y when x8b develop a 95 confidence interval

If you had a significant interaction effect what follow-up : this study investigates whether there are differences in the outcomes of three different treatments for anxiety. the

The sample mean the sample proportion and the sample : tf?1. for a continuous distribution the probability of an exact value is always zero.2. when constructing a confidence

User Account

All Pages