Scatterplots & Trend Lines

Scatterplots & Trend Lines

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSS.ID.B.5, 8.SP.A.1, 8.EE.B.5

+2

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data. Each point represents an observation in the dataset.

Tags

CCSS.8.SP.A.1

2.

FLASHCARD QUESTION

Front

What does a negative relationship in a scatterplot indicate?

Back

A negative relationship indicates that as one variable increases, the other variable tends to decrease.

Tags

CCSS.HSS.ID.B.5

3.

FLASHCARD QUESTION

Front

What is a positive correlation?

Back

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

Tags

CCSS.HSS.ID.B.5

4.

FLASHCARD QUESTION

Front

What is a negative correlation?

Back

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

Tags

CCSS.HSS.ID.B.5

5.

FLASHCARD QUESTION

Front

What does 'no correlation' mean in a scatterplot?

Back

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

Tags

CCSS.HSS.ID.B.5

6.

FLASHCARD QUESTION

Front

What is the equation of a trend line?

Back

The equation of a trend line is typically expressed in the form y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.5

7.

FLASHCARD QUESTION

Front

How do you find the slope (m) of a trend line?

Back

The slope (m) is calculated by taking the change in the y-values divided by the change in the x-values between two points on the line.

Tags

CCSS.8.EE.B.5

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