
Module 11 Test: Scatter Plots & Two-Way Tables
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.
2.
FLASHCARD QUESTION
Front
What does the line of best fit represent in a scatter plot?
Back
The line of best fit represents the trend in the data, showing the general direction that the data points follow.
3.
FLASHCARD QUESTION
Front
How do you determine the line of best fit?
Back
The line of best fit can be determined using statistical methods such as least squares regression, which minimizes the distance between the data points and the line.
4.
FLASHCARD QUESTION
Front
What is a two-way table?
Back
A two-way table is a data display that organizes data based on two categorical variables, allowing for comparison of the frequencies of different categories.
5.
FLASHCARD QUESTION
Front
What is the purpose of using a trend line in a scatter plot?
Back
A trend line helps to visualize the overall direction of the data and can be used to make predictions about future data points.
6.
FLASHCARD QUESTION
Front
What does it mean if the correlation coefficient is close to 1 or -1?
Back
A correlation coefficient close to 1 indicates a strong positive correlation, while a coefficient close to -1 indicates a strong negative correlation between the variables.
7.
FLASHCARD QUESTION
Front
What is interpolation in the context of scatter plots?
Back
Interpolation is the process of estimating a value within the range of known data points in a scatter plot.
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