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Question: Marketing and Consumer Behavior Many critics have been known to say, "They sure don't make movies like they used to." To assess Americans' opinions of movies, a random sample of people was obtained and each was asked about the quality of movies. The data are given in the following table.
a. Conduct the appropriate hypothesis test to determine whether there is any evidence to suggest that the true proportion of 18-29-year-olds who believe movies are getting better is greater than the proportion of 30-49-yearolds. Use a = 0.001.
b. Find the p value associated with the hypothesis test in part (a).
At the 0.01 level, is the bank loan financially sound (should the bank ask for additional collateral)? What is the decision rule?
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=970 and x=598 who said "yes." Use a 99% confidence level.
is ultrasound a reliable method for determining the gender of an unborn baby? there is accompanying data on 1000 births
If the scores of 10 students in an examination are 87, 74, 66, 95, 83, 80, 90, 70, 56, and 75, find the standard deviation of these scores.
a batch contains 34 bacteria cells. assume that 12 of the cells are not capable of cellular replication. six cells are
Design a nonequivalent control group pretest-posttest quasi-experiment to test this claim. Include a well-reasoned dependent measure as well.
The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..
If you violate the INDIVIDUAL nature of the assignment, document the unauthorized help you receive by name and by the nature of the help received. There will be an academic penalty depending on the extent of the unauthorized help, but you will not..
Solve the differential equation, 12y=by-4y' writing the solution as y as a function of x (isolating y).
Define in words what the parameter p1 represents in this situation.- Draw a picture of the sampling distribution that you described in part (c), similar to given Figure.
a survey was conducted in ohio on high school marijuana use. of the 2266 high school students surveyed 952 admitted to
Construct a 95% confidence interval for the mean HAV angle in the population of all such patients and construct a histogram and assess the shape, center, and spread. Remove the patient(s) that who are outliers.
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