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
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