1). (2 points each)find the mean (average) of these data sets:

a). 1 , 3 , 5 , 7 , 9 mean = ________ |
b). -2 , -1 , 0 , 1 , 2 mean = ________ |
c). 88 , 87 , 84 , 85 mean = ________ |

80, 85, 75, 90, 70, 60, 85.

What is the mean, mode median and range of her scores?

mean ______mode ______median_______ and range _______

3). (2 points each) Draw a line from the probability to what it means, to an appropriate example: