Standard Deviation.

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Presentation transcript:

Standard Deviation

2, 18, 22, 17, 8, 12, 18, 25, 32 Find the Mean: Find the Median: Find the Mode: Find the Range:

48, 34, 51, 60, 72, 88, 92, 34, 51, 67 Find the Mean: Find the Median: Find the Mode: Find the Range:

Stemplot: 54, 68, 74, 24, 68, 54, 58, 42, 43, 128, 227, 328, 545, 478, 332, 365, 201, 198, 284, 246

Joe has an average of 88 on his first 3 tests Joe has an average of 88 on his first 3 tests. What does he need on the next test to raise his average to a 90?

Central Tendency Worksheet

Hair Measuring Activity

Find the Standard Deviation: x 5 8 12 18 24

Find the Standard Deviation: x 7 9 15 18 23 28

Find the Standard Deviation: x 2 15 27 32 38

Homework Deriving Standard Deviation Worksheet