What type of association would you expect between outside temperature and the number of layers worn?

Negative association; as temperature increases, the number of layers worn typically decreases.

What does it mean if a scatter plot shows no relationship?

It means that there is no correlation between the two variables being plotted.

What is the purpose of using a scatter plot?

The purpose of using a scatter plot is to visually represent the relationship between two variables and to identify any patterns or correlations.

What is an example of a positive correlation in real life?

An example of a positive correlation is the relationship between study time and test scores; more study time usually leads to higher scores.

What is an example of a negative correlation in real life?

An example of a negative correlation is the relationship between the amount of exercise and body weight; more exercise typically leads to lower body weight.

What is the significance of outliers in a scatter plot?

Outliers are data points that differ significantly from other observations; they can affect the correlation and interpretation of the data.

How can scatter plots be used in experiments?

Scatter plots can be used in experiments to analyze the relationship between two variables, such as time and temperature, to draw conclusions.

What is the first step in creating a scatter plot?

The first step in creating a scatter plot is to collect data for the two variables you want to compare.

Scatter plots and association

Flashcard

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

HSS.ID.B.5, 8.SP.A.1, HSF-LE.A.1B

Standards-aligned

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15 questions

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FLASHCARD QUESTION

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Tags

CCSS.8.SP.A.1

FLASHCARD QUESTION

Front

What does a positive correlation indicate in a scatter plot?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

FLASHCARD QUESTION

Front

What does a negative correlation indicate in a scatter plot?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

FLASHCARD QUESTION

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no discernible relationship between the two variables; changes in one do not affect the other.

Tags

CCSS.HSS.ID.B.5

FLASHCARD QUESTION

Front

How can you identify a positive correlation in a scatter plot?

Back

A positive correlation can be identified by a pattern where points slope upwards from left to right.

Tags

CCSS.HSS.ID.B.5

FLASHCARD QUESTION

Front

How can you identify a negative correlation in a scatter plot?

Back

A negative correlation can be identified by a pattern where points slope downwards from left to right.

Tags

CCSS.HSS.ID.B.5

FLASHCARD QUESTION

Front

What type of association would you expect between years of education and annual income?

Back

Positive association; generally, more years of education lead to higher annual income.

Tags

CCSS.HSF-LE.A.1B

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