A1-U3.5a Lesson: Scatterplots

Unit 3 Lesson 5a:
Scatterplots

​Objective:

Students are going to plot and use scatterplot data to create linear functions to model the general trend of the data.

No Correlation - data points exhibit no pattern or trend.

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Concept:

Positive Correlation - upward trending set of data points.

Side Note: This is linear.

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Concept:

Negative Correlation - downward trending set of data points.

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Concept:

Quadratic - curved hill or valley shaped function, also known as a parabola.

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Concept:

Exponential - sharply curved upward or downward function.

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Concept:

Correlation:




Line of best fit:

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​Example 1:

Correlation:




Line of best fit:

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​Example 2:

Correlation:




Line of best fit:

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​Example 3:

The End

If you were absent or need to reference the example explanations, progress through the next three slides.

Correlation:

Positive Linear (moving upward from left to right)


Line of best fit:

f(x) = 5x + 5

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​Example 1:

Correlation:

Negative Linear (moving downward from left to right)

Line of best fit:

​f(x) = -10x/3 + 120

​Example 2:

Correlation:

No Correlation


Line of best fit:

None

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​Example 3: