Line of Best Fit - Worksheet 3 - 8th Grade

Easy

Interpret samples, tables and relationships while distinguishing observations from causal conclusions.

easy: Read small counts and simple events.

10 problems · 20-25 minutes · Skills: statistics, linear regression, predictions

About This Worksheet

This easy-level worksheet contains 10 problems designed for 8th Grade students practicing line of best fit. Easy worksheets use simpler numbers and straightforward problem types to build confidence and reinforce foundational skills.

Read tables and graphs, count outcomes, and calculate with fractions.

  • Interpret samples, tables and relationships while distinguishing observations from causal conclusions.
  • Check your result using the method in the example before moving to the next question.

How to Solve: Worked Example

Example Problem: A fitted model is y = 6x + 10. Predict y when x = 3. This is an estimate from the model.
Solution Steps:
  1. Substitute the given x-value into the fitted equation.
Answer: 28
Tip: Check your result using the method in the example before moving to the next question.
1
A fitted model is y = 4x + 8. Predict y when x = 3. This is an estimate from the model.
2
A fitted model is y = 11x + 10. Predict y when x = 3. This is an estimate from the model.
3
A fitted model is y = 6x + 11. Predict y when x = 3. This is an estimate from the model.
4
A fitted model is y = 9x + 6. Predict y when x = 3. This is an estimate from the model.
5
A fitted model is y = 2x + 10. Predict y when x = 3. This is an estimate from the model.
6
A fitted model is y = 3x + 10. Predict y when x = 3. This is an estimate from the model.
7
A fitted model is y = 7x + 10. Predict y when x = 3. This is an estimate from the model.
8
A fitted model is y = 9x + 12. Predict y when x = 3. This is an estimate from the model.
9
A fitted model is y = 3x + 5. Predict y when x = 3. This is an estimate from the model.
10
A fitted model is y = 5x + 5. Predict y when x = 3. This is an estimate from the model.

Answer Key

1. 202. 433. 294. 335. 166. 197. 318. 399. 1410. 20

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What skills does this statistics & probability worksheet cover?

This worksheet focuses on statistics, linear regression, predictions. It is designed for 8th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

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How many problems are on this worksheet?

This worksheet contains 10 problems. It typically takes 20-25 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.