You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r 2 value. The regression equation is reported as y = − 28.78 x + 22.18 and the r 2 = 0.0144 . What is the correlation coefficient for this data set?

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.

Me n o w. i need t h i s. 10 points

Acontainer full of water weighs 15.5 lbs. when ¼ of the water is poured out, the container now weighs 12 ½ lbs. how much does the container weigh when empty?