Exploring Types of Correlation in Scatter Graphs

What is the main topic of this video?

• How to draw scatter graphs

• Mathematical equations for scatter graphs

• Different types of correlation in scatter graphs

• The history of scatter graphs

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What does correlation measure?

• How closely two sets of data are related

• The difference between two data sets

• The exact cause of changes in data

• The average of two data sets

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Which of the following is an example of correlation?

• A discount on cola and cola sales

• Temperature and cola sales both decreasing

• A new movie release and cola sales

• Temperature and cola sales both increasing

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Why does correlation not always indicate causation?

• Because causation is a stronger relationship

• Because correlation is a weak relationship

• Because other factors might be involved

• Because correlation is always random

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What is a positive correlation?

• When there is no relationship between the variables

• When both variables decrease

• When one variable increases and the other decreases

• When both variables increase

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What does a strong correlation indicate?

• The data points form a perfect line

• There is no relationship between the variables

• The data points closely follow the line of best fit

• The data points are widely scattered

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What does a negative correlation show?

• There is no relationship between the variables

• Both variables decrease

• One variable increases while the other decreases

• Both variables increase

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What would you say if a scatter graph shows no obvious relationship between two variables?

• There is a positive correlation

• There is a negative correlation

• There is no correlation

• There is a strong correlation

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What should you do after watching the video?

• Ignore the video

• Subscribe for weekly videos

• Unsubscribe from the channel

• Watch another video

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