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Calculate the mean, median, and mode for the following sample: 5, 10, 6, 11, 3, 3, 10, 3 Just write down your answers. That is, Mean=? Median=? Mode=?

Find the standardized test statistic estimate, , to test the hypothesis that . Use α = 0.01. The sample statistics listed below are from independent samples.Sample statistics: , and

Find the probability that in 200 tosses of a fair six-sided die, a three will be obtained at most 40 times.

Is there a relationship between the raises administrators at State University receive and their performance on the job? A faculty group wants to determine whether job rating (x) is a useful linear predictor of raise (y). Consequently, the group considered the straight-line regression model, 

 For a random sample of 30 countries, the linear correlation coefficient between the infant mortality rate and the average number of cars per capita was found to be r = -0.717. What does this imply? Does this suggest that if people buy more cars, this could lower the infant mortality rate. Why or why not? What is a likely lurking variable?

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Two samples are randomly selected from normalpopulations.  Calculate the test statistic to test the hypothesis that

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Construct a 99% confidence interval for the population mean, μ. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth.

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