The distance vs. time graph of a car moving at constant speed should be a straight line. why do the data points in the graph plotted from observing the motion not fall right on the line? a. the distance is not exactly proportional to time even if the speed is exactly constant. b. the distance and time are proportional only if the correct units of meters an seconds are used. c. data points can never look like they fall right on a straight line. d. the measurements are inexact.

Someone answer asap for ! 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.