Day 2-More on Scatter Plots & Trends

Scatter Plots can be described as linear and non-linear models. They are not perfectly linear or non-linear but they​ follow a trend.

Linear vs. Non-linear Models

​

Match

Match the following

(drag & drop)

positive correlation

negative correlation

no correlation

non-linear correlation

• positive correlation

• negative correlation

• no correlation

• non-linear correlation

Multiple Choice

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

​Outliers	​Clusters
​An outlier is a data point in a scatter plot that does not follow the trend of the data.	A group of data points that are closely grouped together.​

​outlier

cluster

Multiple Choice

What are the coordinates of the outlier?

• (1, 9)

• (9, 1)

• (2, 2)

• (7.5, 7.5)

Match

Match the following

perfect

positive correlation

strong (highly)

positive correlation

weak (low) positive correlation

no correlation

• perfect

  positive correlation

• strong (highly)

  positive correlation

• weak (low) positive correlation

• no correlation

Match

Match the following

no correlation

highly (strong)

negative

correlation

perfect negative correlation

low (weak)

negative correlation

• no correlation

• highly (strong)

  negative

  correlation

• perfect negative correlation

• low (weak)

  negative correlation