twenty students in A and 20 students in class B were asked how many hours they took to prepare for an exam. The data sets represents their answers.

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Which of the following is the true for f(x) = 5cos

Needmax 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.