(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The scores of one class on the Unite 2 mathematics test are shown in the table below. Find the population standard deviation of these scores, to the nearest tenth.

Unit 2 Mathematics Test

Score - Number of people

96 - 1

92 - 2

84 - 5

80 - 3

76 - 6

72 - 3

68 - 2

2. Relevant equations

standard deviation formula

3. The attempt at a solution

I used this website to find the standard deviation for this problem. But my answer is higher than a 100 and i think i made some miscalculations.

http://www.gcseguide.co.uk/standard_deviation.htm

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Standard Deviation of test scores

**Physics Forums | Science Articles, Homework Help, Discussion**