Scatterplots and Trendlines

Scatterplots and Trendlines

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.SP.A.1, HSS.ID.B.5, 8.SP.A.2

+3

Standards-aligned

Created by

Wayground Content

Used 1+ times

FREE Resource

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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 shows the relationship between two quantitative variables by displaying data points on a two-dimensional grid.

Tags

CCSS.8.SP.A.1

2.

FLASHCARD QUESTION

Front

What does a trendline represent in a scatterplot?

Back

A trendline is a line that best represents the data points in a scatterplot, showing the general direction or trend of the data.

Tags

CCSS.8.SP.A.2

3.

FLASHCARD QUESTION

Front

How can you use a trendline to make predictions?

Back

You can use a trendline to predict values by extending the line and finding where it intersects with the value you want to estimate.

4.

FLASHCARD QUESTION

Front

What is the line of best fit?

Back

The line of best fit is the trendline that minimizes the distance between itself and all the data points in a scatterplot.

5.

FLASHCARD QUESTION

Front

What does it mean for a relation to be a function?

Back

A relation is a function if each input (x-value) is associated with exactly one output (y-value).

Tags

CCSS.8.F.A.1

6.

FLASHCARD QUESTION

Front

How do you determine if a scatterplot represents a function?

Back

You can use the vertical line test: if a vertical line intersects the scatterplot at more than one point, it is not a function.

7.

FLASHCARD QUESTION

Front

What is the purpose of using scatterplots in data analysis?

Back

Scatterplots are used to visually assess the relationship between two variables and identify trends, patterns, or correlations.

Tags

CCSS.8.SP.A.1

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