Math Problem Statement

Which scatterplot suggests a linear relationship between x and y?

Solution

The question asks: "Which scatterplot suggests a linear relationship between xx and yy?"

Analysis:

  • A linear relationship means that the points roughly form a straight line (either upward or downward).
  • Let's analyze each plot:
  1. Scatterplot A:
    • Points do not form a clear linear pattern; they are spread out randomly.
  2. Scatterplot B:
    • The points show a consistent upward trend (as xx increases, yy also increases). This is a clear positive linear relationship.
  3. Scatterplot C:
    • There is no clear trend; the points are scattered irregularly.
  4. Scatterplot D:
    • The points are spread in a somewhat upward pattern but not clearly linear like in B.

Conclusion:

The scatterplot that best suggests a linear relationship is scatterplot B.


Would you like me to explain linear relationships in more detail? Let me know!

Related Questions:

  1. What is the difference between positive and negative linear relationships?
  2. How can you calculate the line of best fit for a scatterplot?
  3. What does it mean when a scatterplot shows no correlation?
  4. How do we measure the strength of a linear relationship using correlation coefficients?
  5. Can a scatterplot suggest a nonlinear relationship? Give examples.

Tip:

A linear relationship can be identified visually when the points roughly align along a straight line, either upward (positive) or downward (negative).

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Math Problem Analysis

Mathematical Concepts

Linear Relationships
Scatterplots
Positive Correlation

Formulas

No specific formula, visual identification of patterns

Theorems

Linear Correlation

Suitable Grade Level

Grades 6-9