Which of the following is a good survey? a) you survey the football team to determine if the school should purchase a new weight bench for the recreation room. b)you survey every 10th student entering school to find out the amount of time it takes them to get to school. c)you survey every 10th person at the mall to determine the most popular hobbies of teenagers.

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.