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Use hypothesis testing to test the independence of opinion between the two groups:
Prefer Lecture Prefer Computer Nopreference
Full-time 8 13 6
Adjunct 11 22 10
What is the test Value?
A/ 0.36
B/ 0.97
C/ 0.14
D/ 1.24
Construct a cross tabulation to examine the relationships between the two nominal/ordinal level variables. Assume that you selected a random sample of two hundreds cases and collected data on these cases.
Determine the point estimate and 95% confidence interval for the mean family dental expenses of all employees of the company.
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Determine the expected value and standard error of the sum of 400 draws?
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You are conducting a study on what socio-demographic factors could be behind the behavioral problems of students. You are looking at how many times a student was sent to detention. You have information on race, gender, household median income, single..
As a condition of employment, Fashion Industries applicants must pass a drug test. Of the last 220 applicants 14 failed the test. Develop a 99 percent confidence interval for the proportion of applicants that fail the test. Would it be reasonable ..
In a test of the independence of two variables, one the variables has two possible categories and the other has three possible categories.
Draw the appropriate conclusions with respect to female and male human resource manager salary levels. Calculate the t value for independent groups for the following data. Check the accuracy of your calculations.
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