The table lists the number of items that 5 shops sold on a particular day. What is the mean absolute deviation of this data set? Shop Number of
Items
1 32
2 26
3 43
4 38
5 46
A.
3.2
B.
4
C.
6.4
D.
9
E.
12.6

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Find the commission on a $590.00 sale if the commission is 15%.

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.