**Title:** Standard Deviation at Work

**Description:**
This is an introductory worksheet dealing with standard deviation, data lists, dot plots, frequency graphs and data transformation.

**Standard(s): **

[MA2015] PRE (9-12) 41: Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve. [S-ID4]