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A design effect for the mean of a variable = 1.144 will the variance be under clustering be smaller or bigger than under a simple random sample.
Given the calculated design effect, will the standard errors under clustering be smaller or bigger under simple random sample design?
Because the President officiates at this event , the secret service makes calculations which they use in planning security.
a professor wishes to recruit 2 students for a research project. the probability that a student will accept the
In an effort to speed up the customer service process, the company decides to streamline the series of pushbutton menus customers must navigate, cutting the time by 24 seconds. What will the median and IQR of the length of hotline calls become?
Determine whether the sampling method is independent or dependent for the following example. A researcher wants to know whether the newly issued "state" quarters have a mean weight that is different from "traditional" quarters.
A number x is formed by choosing six digits in order, each being a 9 or a 1 and equally likely. Describe the sample space and count the number of sample points it contains.
question shown below are dollar figures for commercial and industrial loans at all commercial banks in the u.s. as
A manufacturer can typically process 176-264 devices a given period of concern. In this situation the processing event is either pass or fail.
The scores on an aptitude test required for entry into a certain job position have a mean of 500 and a standard deviation of 120. If a random sample of 36 applicants has a mean of 546, is there evidence that their mean score is different from the ..
At the .05 significance level, can we conclude that the guideline is still reasonable?
Calculate the mean, median, and mode for the below given scores:
Among 100 people randomly chosen in a survey, exactly 10 stated that they believed that the elected representatives are honest most of the time.
The mean size of commercial loans by a bank has been $60,000 in the past. A recent change in the bank's credit policy allows larger amounts to be borrowed under the same terms. Conduct the test. State the alternatives, the decision rule, the value..
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