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The marketing department likes to know patterns about the consumers who call the 1-800 phone bank with questions/problems.
You meet with them to discuss the matter. Using the Discussion Board, suggest at least 3 quantitative objects that you should keep track about each caller and/or their behavior with respect to the snack food category and indicate if each variable is continuous or discrete (refer to the Question and Answer Resource for this phase for the definition of continuous and discrete variables). Post your list on the Discussion Board. Read the other postings and respond to anyone who listed variables similar to yours by saying which variable you prefer and why.
An engine system consists of three main components in a series, all having the same reliability.
Plot fitted values against residuals. Does this plot point out any problems with homoscedasticity?
A student is selected at random from the class. What is the probability that the student is both a junior and an economics major?
A fair die is rolled nine times. What is the probability that an odd number (1,3 or 5) will occur less than 3 times?
Ccompute the test statistic, and at 95% confidence, test the hypotheses. What is the p-value associated with the sample results? What is your conclusion based on the p-value?
A health services provider has been reimbursed by a national health insurance organization for a large number of services. It appears that overpayments may have occurred on many of the reimbursements
Assistant dean use a sample of application to determine whether the mean examination score for freshman application has changed. State the hypothesses.
Enter the data and use the appropriate commands to find the mean, median, mode, sample standard deviation, population standard deviation, 10% trimmed mean, and data count.
Explain the difference between one-factor and two-factor ANOVA. (b) Write the linear model form of one-factor ANOVA. (c) State the hypotheses for a one-factor ANOVA in two different ways.
What descriptive summary measures would you use to present the data. which measure is the best to use and which is the worse and why?
The researchers made 10 measurements of ATP, which had x = 0.84. What was the sample standard deviations for these measurements?
Given the following sample information, test the hypothesis that the treatment means are equal at the .05 significance level.
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