Wednesday

August 27, 2014

August 27, 2014

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.

**Related Questions**

math - A class obtained the following scores on a test. Find the mean, the ...

Statistics - A class obtained the following scores on a test. Test Score ...

Derrick - John kept track of all his math and reading test scores throughout the...

Math - Consider the following test scores obtained by a class. Test score 90 80 ...

Algebra 2 - the test score for a math class are shown below. 81,84,82,93,81,85,...

Math - 105 91 82 59 97 72 72 88 81 What is the mode of these scores? A.46 B.72 C...

Math - For a class test, the mean score was 65, the median score was 71 and sthe...

statistics - . A random sample of 30 students obtained the following marks in a ...

algebra help mrs. Sue - Mrs.Sue my homework from yesterday i had wrong ...

mrs. sue algebra help - Mrs.Sue my homework from yesterday i had wrong ...