# math

posted by
**Anonymous**
.

A class obtained the following scores on a test. Find the mean, the median, the mode, and the range for the class.

Test Score Frequency

90 2

80 3

70 10

60 5

50 3

40 2

(a) Find the mean.

1

(b) Find the median.

2

(c) Find the mode.

3

(d) Find the range.

4

0