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Suppose you want to compare the amount of credit card debt for males and females. The null hypothesis for this problem would be no difference in the mean amount of credit card debt for males and females and the alternate hypotheses would be that there is a difference in mean amounts of credit card debt. Conduct a randomization test for two means with 3000 randomizations. (Your input menu should be as follows.)
a) Paste the output from your randomization test here.
b) What is the mean difference in credit card debt of the two groups in the original data?
c) What p-value did you get in your randomization? Explain in the context of the problem what the p-value means.
d) Do you think the data support the null hypothesis of no difference in mean credit card debt between males and females or the alternate hypothesis that there is a difference? Explain your answer.
Is there evidence that population mean amount is different form 8.17 ounces? (Use a 0.05 level of significance.) with sample standard deviation of 0.051 ounce.
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card.
suppose a linear programming maximization problem has been solved and the optimal value of the objective function is
a. Will the total revenue on a day be normally distributed? b. What are the mean and standard deviation of the total revenue on a particular day? c. What is the probability that the revenue will exceed $7,000 on a particular day?
A contractor developed a multiplicative time series model to predict the number of contracts in future quarters, using quarterly data on number of contracts during the 3-year period from 1996 to 1998.
let x be the amount of premium gasoline in 1000 gallons that a service station has in its tanks at the beginning of a
Use descriptive statistics to explain how parental involvement and interests in child's education can impact on educational attainment measured in terms of their numeracy (v24_7), literacy (v28_7) and creativity skills (v25_7 and v26_7)
Person repeatedly and independent flips the fair coin to decide whether to take the step to left or to right from a point X. Find out expected number of times person returns to X.
Which route should he take to minimize the probability of being late to the meeting? If he tosses a fair coin to decide on a route and he is late, what is the probability that he took the four-crossing route?
to decide whether two different types of tennis raquet have the same true average power different raquets have been
The mean and standard deviation of the number of nuts in a bag is:An electrical goods manufacturer knows that 10% of his electrical appliances are defective.
question suppose studies have shown that approximately 20 .2 of americans regularly engage in exercise at least 3 times
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