Georges asked five of his friends how long they studied for the last math test and what grade they received. He found a linear
regression equation for the data to be y = 9.6x + 65.8. What does the 65.8 mean in the context of this equation?
If they studied 0 hours they would earn a 65.8.
B)
The lowest grade of his five friends was a 65.8.
The lowest grade they could receive on the test was a 65.8.
For every hour they studied their grade would go up 65.8 points,

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.