Peregrine Business Stats Pre-test Questions with Correct Answers

Peregrine Business Stats Pre-test Questions with Correct Answers Assume EVPI= $50, 000 and EMV*= $35,000. If perfect information exists , the value of EPPI is - Correct Answers 85000 In one-way analysis of variance, within-treatments variation is measured by: - Correct Answers SSE When every possible sample with the same number of observations is equally likely to be chosen, the result is called a - Correct Answers Simple random sample If when using the confidence interval estimator of a proportion the researcher finds that there is no chance of finding a success in the population, adding the number 4 to the sample size could be part of the solution, which refers to ______ - Correct Answers The Wilson estimate which of the following is true about one-way analysis of variance - Correct Answers Which of the following statements is not true? - Correct Answers A payoff table lists the monetary values for each possible combination of the - Correct Answers event (state of nature) and act (alternative) Fisher's least significant difference (LSD) multiple comparison method is flawed because - Correct Answers it will increase a: the probability of committing a Type I error If a If all possible samples of size n are drawn from an infinite population with a mean of u and a standard deviation of & , then the standard error of the sample mean is inversely proportional to: - Correct Answers square root of n A production manager is concerned with the average weight of metal ingots. From past data, he knows that population standard deviation is 1.6 lbs. The manager wishes to make a 95% interval estimate using a sample of 64 ingots. What will be the maximum sampling error (E) in estimating the population mean with this sample - Correct Answers .392