Block 1 standard deviation.notebook
August 23, 2016
Block 1 Do Now Descriptive Stats Review
Normal distribution review
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Block 1 standard deviation.notebook
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SWBAT compute standard deviation by hand, and using their calculator
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Block 1 standard deviation.notebook
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Standard Deviation Continued
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Block 1 standard deviation.notebook
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Classwork
6l.1
6l.2
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Block 1 standard deviation.notebook
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Calculating Standard Deviation By Hand
Standard Deviation
1. Calculate the mean
2. Calculate the differences from the mean
3. Square these differences from the mean
4. Find the mean of the square differences (variance). 5. Take the square root of the deviance.
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Block 1 standard deviation.notebook
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The standard deviation is calculated to find the average distance from the mean.
Practice Problem #1: Calculate the standard deviation of the following test data by hand. Use the chart below to record the steps.
Test Scores: 22, 99, 102, 33, 57, 75, 100, 81, 62, 29
Mean:_____________ n:_______________
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Block 1 standard deviation.notebook
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YOU TRY: b and c
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Block 1 standard deviation.notebook
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Helpful Link
http://www.quickanddirtytips.com/education/
math/what­are­the­range­and­standard­deviation
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Block 1 standard deviation.notebook
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Assignment
6l.1­6l.3
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Homework
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ANSWERS
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