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Find the weighted mean of three test scores for a student (85, 90, 75) where the first test counts for 20%, the second test counts for 30%, and the third counts for 50% of the final grade.
When there are multiple observations per subject, what issues are there with doing a MNL and an ordered logit model, answer in detail and provide example.
A physician wanted to estimate the mean length of time µ that a patient had to wait to see him after arriving at the office.
Test the hypothesis that the annual incomes of corporate trainers in areas of more than 500,000 are significantly more than those in areas of less than 100,000.
What is the probability that a particular driver had exactly two speeding violations?
Why do we need a new test method to compare the means of 3 or more populations? Why can't we just use a series of z-tests or t-tests to compare all of the possible pairs of population means to see if one (or more) is different?
Thirty homes responded, and the sample mean water use per day was 77 gallons with a standard deviation of 9.0 gallons per day.
Why then does it matter whether we assume straight-line or MACRS depreciation when we assess project NPV?
Estimate with 90% confidence the difference in the level of satisfaction with service between the two branches.
The one-sample t statistic has the value t = -1.68. What do we know about the P -value of this test?
Using a critical value, test hypothesis at the 1% level of significance.
Enter data into SPSS (use two columns: one for coding {0, 1, 2, 3, 4, 5} and one for DV)
An auditor reviewed 25 oral surgery insurance claims from a particular surgical office, determining that the mean out-of-pocket patient billing above the reimbursed amount was $275.66 with a standard deviation of $78.11.
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