A linear correlation will make a straight line with the given set of data whereas, a non-linear depicts a curve or any other shape through these data sets. They use cartesian coordinates to represent the data, and the concept is to determine the correlation between two quantities. They are sometimes referred to as scatter grams, scatter charts, or even scatter graphs. As the data in these plots are scattered, these plots are named as scatter plots. The bars are arranged to show the time for collecting the data. It shows how a particular variable (or variables) changes over time. Quiz 3 - I like to ask students to evaluate the lines by answer if we are in better or worse state from where the line starts (being the far left of the graph).Ī scatter plot is a chart that displays multiple sets of data (typically 2 or 3 sets) in horizontal bars.Quiz 2 - The top heavy lines may confuse some.Quiz 1 - Can you smell the trend that exists here?.Practice 3 - It is change in y-values divided by the change in x-values.ĭescribe the trends you see of the lines.Practice 2 - We can use a trend line to make predictions from a scatter plot.Practice 1 - What is the equation of the trend line shown?.With the basic trend plotted for you, it is pretty is to make conclusions here. Homework 3 - Plug the slope m = 3 and the y-intercept b = -4 into the slope-intercept formula.Homework 2 - Plug (1, 2) and (0, -6) into the slope formula.Homework 1 - A trend line roughly describes the relationship between two variables in a set of data.Time to mathematically breakdown the trends on lines. Answer Keys - These are for all the unlocked materials above.Matching Worksheet - Match the graphs and their trend line equations.Practice Worksheet - Yes, these trends are a bit on the side of all over the place. ![]() Guided Lesson Explanation - This is a bit lengthy four page explanation of the problems for you.Guided Lesson - I'm trying to be positive here! See if you get what I mean. ![]()
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