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April 19, 2015

April 19, 2015

Posted by **Urgen please help** on Sunday, June 3, 2012 at 9:23pm.

Test Score Frequency

90 2

80 2

70 12

60 4

50 3

40 2

(a) Find the mean =

I had the median, mode and the range correct except the Mean, please help.

Correct: Your answer is correct.

- ALGEBRA -
**Ms. Sue**, Sunday, June 3, 2012 at 9:26pmAdd all of the scores and divide by 25 to find the mean.

2(90) + 2(80) + 12(70), etc.

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