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Detailed Question: Use only R programming language:If twenty-seven students are to be assigned to groups of three for each problem set, and no student can be assigned to the same group as a student whom he or she has previously worked with, how many problem sets can Dr Lee assign? Extend the function assignGroup in (b) to generate the groups as described for the maximum number of problem sets Dr Lee can assign.
AirTran Airways and Southwest Airlines were among the leaders in on-time arrivals, with both having 88% of their flights arriving on time. But for the 12% of flights that were delayed, how many minutes were these flights late? Sample data showing the..
The United States has ten times the population of Canada. Assuming equal standard deviations, how many American teenagers must be sampled in order to estimate the true mean amount of time American teenagers spend on the internet per day to within 15..
The maximum likelihood estimate for the odds ratio
Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
Given the sample mean and the sample standard deviation.Use this information to construct the 90% and 95% confidence intervals for the population mean. Which intervals is wider?
A manufacturer is evaluating options regarding his production equipment. He is trying to decide whether he should refurbish his old equipment for $70,000, make major modifications to the production line for $135,000, or purchase new equipment for $23..
In your OWN words define Durbin-Watson statistic. State any references if used.
if you were constructing a 99% confidence interval of the population mean based on a sample of n= 20 where the standard deviation of the sample s= 0.05 the critical value of t will be
With a visual example please,Explain the concept of sum of squares.
The manger of a restaurant that delivers pizza to college dormitory rooms
Compute the error in each forecast. How accurate would you say these forecasts are? Now compute a new series of moving average forecasts using six observations in each average. Compute the errors as well.
A New York restaurant would like to estimate the average amount customers spend for dinner. A sample of size 49 customers resulted an average of $32.60. Assume the population standard deviation is $5.a. What is the point estimation for the mean of th..
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