Nikki gathered data about the length of time she spent listening to the radio and the number of commercials she heard. she organized the data
in a scatter plot, where x represents the minutes spent listening and y represents the number of commercials. then she used the graphing tool
to find the equation of the line of best fit:
y = 0.338x - 1.387
based on the line of best fit, for approximately how many minutes will nikki need to listen to the radio to hear 20 commercials?

a.10
b.55
c.63
d.72

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.