Worksheets — Set 14

Algebra I · Data analysis with linear models

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

Warm-up

1. Mean of data set: 15, 17, 19, 21, 23 = ___ 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: 14, 16, 18, 20, 22 = ___ 2. Median of the same set: ___ 3. Describe the distribution: skewed left/right/symmetric? ___ 4. Correlation r = 1.7000000000000002. Strength? ___ 5. Regression: interpret slope in context. 6. Why might correlation not imply causation? 7. Mean of data set: 17, 19, 21, 23, 25 = ___ 8. Correlation r = 2. Strength? ___

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More written practice

1. Mean of data set: 20, 22, 24, 26, 28 = ___ 2. Correlation r = 2.3. Strength? ___ 3. Mean of data set: 23, 25, 27, 29, 31 = ___ 4. Correlation r = 2.6. Strength? ___ 5. Mean of data set: 26, 28, 30, 32, 34 = ___ 6. Correlation r = 2.9. Strength? ___

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Patterns and rules

1. Mean of data set: 31, 33, 35, 37, 39 = ___ 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