The magazine Sports Illustrated asked a random sample of 225 Division ! college athletes, “Do you believe performance-enhancing drugs are a
problem in college sports?" Suppose that 35% of all Division I college
athletes think that these drugs are a problem. Let o be the sample
proportion who say that these drugs are a problem.
Which of the following are the mean and standard deviation of the
sampling distribution of the sample proportion ?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value