1. The weekly salaries of six employees at McDonalds are
$140, $220, $90, $180, $140, $200. For
these six salaries, find: (a) the mean (b) the median (c) the mode
2. Andy has grades of 84, 65, and 76 on three math
tests. What grade must he obtain on the
next test to have an average of exactly 80 for the four tests?
3. Test scores for a class of 20 students are as follows:
93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 72, 55, 91, 90,
75, 94, 83, 60, 81, 95
a) What is the range in scores?
b) mean
c) median
d) mode)
4. A tally was made of the number of times each color of
crayon was used by a kindergarten class.
Which choice (mean, median, mode) should the teacher use to determine
which color is the favorite color of her class?
5. The science test
grades are posted. The class did very
well. All students taking the test
scored over 75. Unfortunately, 4
students were absent for the test and the computer listed their scores as 0
until the test is taken. What is the
best choice (mean, median, mode) to show overall, how the class did on the
test? Why?
6. The values of 11 houses on Washington Street are shown in
the table.
a. Find the mean
value of these houses in dollars.
b. Find the median
value of these houses in dollars.
c. Create a graph to show this housing data. You'll have to figure out how the graph should look. Good luck!
