Worksheets — Set 3

Algebra I · Data analysis with linear models

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Mean of data set: 4, 6, 8, 10, 12 = ___ 2. Median of the same set: ___ 3. Describe the distribution: skewed left/right/symmetric? ___

_See printable PDF for diagram._

Written practice

1. Mean of data set: 3, 5, 7, 9, 11 = ___ 2. Median of the same set: ___ 3. Describe the distribution: skewed left/right/symmetric? ___ 4. Correlation r = 0.6000000000000001. Strength? ___ 5. Regression: interpret slope in context. 6. Why might correlation not imply causation? 7. Mean of data set: 6, 8, 10, 12, 14 = ___ 8. Correlation r = 0.9000000000000001. Strength? ___

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More written practice

1. Mean of data set: 9, 11, 13, 15, 17 = ___ 2. Correlation r = 1.2. Strength? ___ 3. Mean of data set: 12, 14, 16, 18, 20 = ___ 4. Correlation r = 1.5000000000000002. Strength? ___ 5. Mean of data set: 15, 17, 19, 21, 23 = ___ 6. Correlation r = 1.8. Strength? ___

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Patterns and rules

1. Mean of data set: 20, 22, 24, 26, 28 = ___ 2. Median of the same set: ___ 3. Describe the distribution: skewed left/right/symmetric? ___

_See printable PDF for diagram._

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Parent tip: Label axes and units on displays