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To estimate the average age of a breast cancer patient, a random sample of 17 patients were selected from a large database. It was found that the point estimate is 65 years old with a sample standard deviation of 9.5 years. What is the statistical decision at the 5% level of significance of the following:
1) One- tail hypothesis, testing the claim that the true mean age is 67?
2) one- tail hypothesis, testing the claim that the true mean age is 68?
They answered in 230 seconds per call with a standard deviation of $40. Can the company claim that they are faster than the average utility?
steve and his friends are relaxing at a local tavern. the number of drinks that steves table receives is poisson
Can people really identify their favorite brand of cola? Volunteers tasted Coca-Cola Classic, Pepsi, Diet Coke, and Diet Pepsi, with the results shown below.
Compute the probability of receiving three calls in a 5-minute interval of time. Compute the probability of receiving exactly 10 calls in 15 minutes.
Given this eort, why would we want to unify the Bayesian and frequentist approaches? Why should we be interested in the prior that most frequently yields exact frequentist inference.
a consumer group rated 12 manufactured products imported from a single source on a scale of 1 to 10. the data are shown
question your job as marketing manager of a large chain is to watch the overall market situation in many districts. the
eleven chairs are numbered 1 through 11. four girls and seven boys sit on these chairs at random. what is the
If you arbitrarily grab 2 socks out of drawer determine the probability that you grab a matching pair?
In this assignment, you develop two purpose statements using the same data set (different purposes, same data) and will use regression and two sample hypothesis testing to analyze the same set of data. For example, you may want to determine if there ..
find the value of the test statistic z using the claim is that more than 75 of adults always wear a seat belt in the
How can comparing between k- means and cluster tree by criteria or test statistics in sas program And what is the statistics rule can be use
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