A man surveyed a sample of 36 high school students and asked, "how many days in the past week have consumed an alcoholic beverage? the results of the survey are shown at the right. use these results to answer parts a through f. what do the computed mean and median tell you? fill in the blanks (use a 25% difference as the criterion for a "substantial" difference between the mean and median. the prediction was---because the mean---the median in this distribution. the mode is---

do you believe that the survey suffers from bias?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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Determine if the following statement is true or false. the normal curve is symmetric about its​ mean, mu. choose the best answer below. a. the statement is false. the normal curve is not symmetric about its​ mean, because the mean is the balancing point of the graph of the distribution. the median is the point where​ 50% of the area under the distribution is to the left and​ 50% to the right.​ therefore, the normal curve could only be symmetric about its​ median, not about its mean. b. the statement is true. the normal curve is a symmetric distribution with one​ peak, which means the​ mean, median, and mode are all equal.​ therefore, the normal curve is symmetric about the​ mean, mu. c. the statement is false. the mean is the balancing point for the graph of a​ distribution, and​ therefore, it is impossible for any distribution to be symmetric about the mean. d. the statement is true. the mean is the balancing point for the graph of a​ distribution, and​ therefore, all distributions are symmetric about the mean.