Scatterplot and Trend Lines
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Bivariate Data: Regression Lines
In this project, students explore relationships between two quantitative variables by collecting their own real-world bivariate dataset. After organizing the data, students will represent it using multiple graphical displays, including a histogram and a scatterplot, and analyze patterns or trends that appear. Using statistical tools, students will calculate the least-squares regression line, correlation coefficient, and residuals to evaluate the strength and form of the relationship. The project
9th - 12th
Statistics
CCSS
HSS-ID.A.1
, HSS-ID.B.6
, HSS-ID.B.6a
+5
8th MATH STAAR REVIEW: Scatterplots and Trendlines
Prepare your students for success on the STAAR test with this engaging and interactive Scatterplots and Trendlines STAAR Review! Specifically designed for 8th-grade math, this comprehensive review is perfect for reinforcing essential skills and boosting student confidence. Aligned to Texas Essential Knowledge and Skills (TEKS):8.5D (Readiness Standard) – Using trend lines to make predictions8.5C – Linear vs. non-linear8.11A – Construct and describe scatterplots8.11B – Mean Absolute DeviationWhat
7th - 9th
Algebra, Math Test Prep, Other (Math)
Lines of Best Fit Worksheet | 4-in-1 Skill Sheet™ | 8th Grade Math
⭐ LINES OF BEST FIT WORKSHEET | 4-IN-1 SKILL SHEET™ FOR 8TH GRADE MATH ⭐ The no-prep lines of best fit resource — recognizing linear association in a scatter plot, informally fitting a straight trend line through the middle of the point cloud, and assessing model fit by judging how tightly data points cluster around the line — with 16 sequenced problems including four with embedded scatter plots (trend lines already drawn) on an expanded two-page practice surface where students evaluate fit qu
8th
Applied Math, Graphing, Statistics
CCSS
8.SP.A.2
Also included in: 8th Grade Math Worksheets MEGA Bundle | 4-in-1 Skill Sheets | 37 Sheets
Scatter Plots and Trend Lines
Students will gather data to create a scatter plot. They will learn how to create trend lines for scatter plots and determine the correlation that exists between two sets of data.
7th - 10th
Graphing, Math, Statistics
CCSS
HSS-ID.B.6
French Fry Scatter Plot & Best Line of Fit
Students will compare the nutritional values and serving sizes of french fries from various fast food restaurants. Based on this information, they will create scatter plots, best lines of fit and the equation of the trend line. Using the equation, they will estimate the unknown values of kid meals and supersized portions of french fries.
8th - 11th
Algebra, Graphing, Statistics
Scatter Plots and Fitted Lines -PowerPoint (w/ free video) -Distance Learning
PowerPoint with examples for direct instruction. This lesson has examples for students to practice making a scatter plot, drawing a line of best fit (trend line), and writing an equation to model the situation either in slope-intercept form (y=mx+b) or point-slope form (y=m(x-x1)+y1). The video for this lesson for review or absent students is on https://youtu.be/syShp8oA9NY
9th
Algebra, Math
CCSS
HSS-ID.B.6
, HSS-ID.B.6a
, HSS-ID.B.6c
+1
Scatter Plot Slope-Intercept | 4-in-1 Skill Sheet™ for 8th Grade Math | 8.SP.A.3
⭐ SCATTER PLOT SLOPE & INTERCEPT | 4-IN-1 SKILL SHEET™ FOR 8TH GRADE MATH ⭐ Everything your 8th graders need to master slope and y-intercept interpretation in scatter plots — using the equation y = mx + b to explain slope as a contextual rate of change and y-intercept as a predicted starting value, across science, health, economics, and sports scenarios, with scatter plots showing computed trend lines, problems requiring full interpretation sentences with variable labels and units, and multi-par
8th
Algebra, Applied Math, Statistics
CCSS
8.SP.A.3
Also included in: 8th Grade Math Worksheets MEGA Bundle | 4-in-1 Skill Sheets | 37 Sheets
Linear Functions Review
Practice with slope, direct variation, slope-intercept form, point-slope form and Standard form of a line. Identify and calculate parallel and perpendicular lines. Calculate trend lines from scatterplot data.
8th - 10th
Algebra, Algebra 2
Scatter Plots Editable Foldable Notes for 8th Grade Math
This editable foldable serves as an overview or introduction to scatter plots. Inside, students will complete notes for the definition of scatter plot, cluster, outlier, and trend lines. They will construct a scatterplot from a table of values, identify clusters + outliers, draw a trend line, and write an equation (in slope-intercept form) for a trend line. I use this type of notes during guided instruction. This foldable is included in my: ★ 8th Grade Math (Pre-Algebra) - Foldable + Activity
8th - 9th
Math
CCSS
8.SP.A.1
, 8.SP.A.2
, 8.SP.A.4
Also included in: Functions Equations and Graphs - Algebra 2 Foldables
Lines of Best Fit 8th Grade Math Statistics Guided Notes Homework Worksheets
Lines of Best Fit Guided Notes is everything that you need to teach your middle school math students how to find trend lines and their associations. Students will learn how to find the line of best fit from a scatter plot through an investigation and practice examples. These guided notes and practice worksheets are perfect for a binder or can be reduced in size to fit into an interactive notebook. ✅This resource is perfect for Distance Learning (zero prep) or in the classroom. It can be use
7th - 9th
Applied Math, Math, Other (Math)
CCSS
8.SP.A.2
, 8.SP.A.3
, MP1
+1
Also included in: 8th Grade Math Pre Algebra Guided Notes Homework Practice Bundle
Coordinates and Scatter Plots Powerpoint
Includes a starter with graphing and connecting points, a review of the coordinate plane, a guessing game, a survey activity to make a class scatter plot, overview of scatter plots, trend lines, making predictions, errors, and an opportunity to make your own scatter plot. Made for an 8th grade class.
6th - 10th
Graphing, Math, Statistics
AP Statistics LSRL Activity - Is LSRL appropriate?
Just because r is strong, does that mean you can use a LSRL? This activity guides students to use excel/ google sheets to 1. Graph scatterplots with trend lines/ labels 2. Use XLMinter ToolPak to identify key statistics in linear regression analysis 3. Identify and interpret R, R^2, S 4. Graph and see residual plots 7. Compare key statistics in four data sets to determine which is most appropriate to use LSRL. This file was originally created as a google sheet. A sample answer key is included. T
11th - 12th
Math, Statistics
CCSS
HSS-ID.B.6b
, HSS-ID.B.6c
, HSS-ID.C.8
ENTIRE FULL YEAR of Pre-Algebra Virtual & In-Class PPT Step-by-Step Lessons
27 PowerPoints with several days or week-long lessons. Could be used for 6th, 7th or 8th grade. Marking Period 1 – Marking Period 2 – Functions and Applications - Suggested Number of Days 35 Relations and Functions Scatterplots and Associations Proportional Relationships Non-Proportional Relationships Compare Functions Linear Associations and Trend Lines Functions and Applications (Continued)- Suggested Number of Days 14 Frequency Tables Intervals of In
6th - 8th
Algebra
Linear Functions Assessment
Comprehensive Linear Functions Unit Assessment including identifying slope and y-intercept (table, graph, equation), point-slope form, slope-intercept form, standard form, direct variation (table, graph, equation), slope (rate of change) (table, graph, equation), Scatterplots and trend lines, x and y intercepts, changing between 3 forms of a linear equation, writing equations in all 3 forms given different information (2 points, slope and point, parallel, perpendicular, undefined slope). Editabl
8th - 10th
Algebra, Math
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