Dr. Feng devises a questionnaire to measure adults' extraversion, a stable personality trait. Dr. Feng computes the questionnaire scores of a large sample of adults. Six months later, he gives the same sample the same test. The correlation between the two sets of scores is .10. What can one conclude regarding Dr. Feng's test?

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.