Scatter plots age and reaction time
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Scatter Plots – Age and Reaction Time. By: Heather, Robyn & Ryan. http://www.youtube.com/watch?v=9Iw3a_LtJVE. Digital Resource 1. Declarative and procedural knowledge. Defining the Key terms. Why do we use scatter plots? Time for you to create a scatter plot.

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Scatter Plots – Age and Reaction Time

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Scatter plots age and reaction time

Scatter Plots – Age and Reaction Time

By: Heather, Robyn & Ryan


Digital resource 1

http://www.youtube.com/watch?v=9Iw3a_LtJVE

Digital Resource 1


Overview

  • Declarative and procedural knowledge.

  • Defining the Key terms.

  • Why do we use scatter plots?

  • Time for you to create a scatter plot.

  • Using a scatter plot to make predictions.

  • Quick quiz

  • Mathematical worth of additional three digital resources.

Overview


Declarative procedural knowledge

Declarative & Procedural Knowledge


Definitions

  • Scatter Diagram – A graph of plotted points that show the relationship between two sets of data.

  • Correlation – When the two sets of data are linked together; Co (meaning ‘together’), and Relation.

    • You will also see the words, Relationship and association.

Definitions


Definitions1

  • Positive Correlation – When the values increase together.

  • Negative Correlation – When one values decrease and the other increases.

  • No Correlation - Where a change in one set of data has no effect on the other set.

Definitions


Definitions2

  • Line of best fit – To find the direction of a correlation between two variables.

  • Trend line - A line on a graph indicating a statistical trend

Definitions


Definitions3

  • Bivariate data - a set up of data made up of two variables.

  • For example, comparing height to weight or age to reaction time.

Definitions


Scatter plot data

Scatter Plot Data:


Age vs braking reaction time stopping a car

Age vs. Braking reaction time(Stopping a car)


Age vs braking reaction time stopping a car1

Age vs. Braking reaction time(Stopping a car)


What relationship is this

  • Does the increase in temperature impact sunscreen sales? What do you think this scatter plot would look like?

What Relationship is this?


What relationship is this1

  • If the price of bananas increase does this effect the amount of bananas sold? What would this scatter plot relationship look like?

What Relationship is this?


What relationship is this2

  • If we plotted how old you are, and the results you got for your maths test, what correlation is there?

What Relationship is this?


Visit our wiki to find out more http mathshrr wikispaces com

Thank you

Visit our wiki to find out morehttp://mathshrr.wikispaces.com


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