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The observer-participant relationship is an important consideration in the design of observation studies. What kind of relationship would you recommend in each of the following cases?
a) Observations of professional conduct in the classroom by the student author of a course evaluation guide.
b) Observation of retail shoppers by a researcher who is interested in determining customer purchase time by types of goods purchased.
c) Observation of a focus group interview by a client.
d) Effectiveness of individual farm worker organizers in their efforts to organize employees of grape growers.
A biologist with the Department of Agriculture is studying the growth of artichokes. She knows that the number of artichokes produced by each plant follows a distribution which is approximately normal.
Suppose that Richard Rice, a resident of the area, decides to take the test for malaria. If his test results indicate that he has malaria, what is the probability that he actually has malaria?
Store used ANOVA to test if mean sales for each credit card were equal. What are the degrees of freedom for F statistic?
If I have unnormal data with n=15, and there are 2 samples. What test do I use? How do I make the data normal if the samples contain zero, b/c it's measuring time?
What would be the most appropriate graphical representation to show the dispersion of new home prices in a particular area? Why?
the number of items rejected daily by a manufacturer because of defects was recorded for the past 30 days. the results
A local bank reports that 80 percent of its customers maintain a checking account, 60 percent have a savings account, and 50 percent have both.
Develop a marketing strategy that will increase sales and better target Toronto residents who are likely to buy the company's Smartphone and the type of plan they buy.
you need to test the alternative hypothesis that an average is greater than 70. if the population average is 70 and
suppose that the battery failure time measure in hours has probability density function given by fx 2 x 13 x?0.what
What fraction of the calls last between 4.2 and 5 minutes?
among a random sample of 150 employees of a particular company the mean commute distance is 25.5 miles. this mean lies
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