Amber measured the length of her yard by walking from one end of the yard to the other. she counted 44 steps assuming that each of her steps was 1/2 m in length, amber said the length of her yard was 44 * 1/2= 22. the actual length is 19m what is the percent error

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.