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 = ________
2). (2 points)
Lacie received the following scores on her last 7 tests: 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: