Scatterplots and Linear Regression

Scatterplots and Linear Regression

Assessment

Flashcard

Mathematics

1st Grade

Practice Problem

Hard

Created by

Wayground Content

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 type of graph that shows the relationship between two sets of data. Each point on the graph represents an individual data point.

2.

FLASHCARD QUESTION

Front

What does it mean if a scatterplot shows no relationship?

Back

It means that there is no clear pattern or connection between the two sets of data.

3.

FLASHCARD QUESTION

Front

What is linear regression?

Back

Linear regression is a method used to find the best-fitting straight line through a set of data points.

4.

FLASHCARD QUESTION

Front

What does the slope of a linear regression line represent?

Back

The slope represents how much y changes for a one-unit change in x.

5.

FLASHCARD QUESTION

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the value of y when x is 0. It is where the line crosses the y-axis.

6.

FLASHCARD QUESTION

Front

How do you estimate the value of r in a scatterplot?

Back

The value of r, or correlation coefficient, indicates how closely the data points fit a straight line. It ranges from -1 to 1.

7.

FLASHCARD QUESTION

Front

What does a positive slope indicate in a linear regression?

Back

A positive slope indicates that as x increases, y also increases.

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