Scatterplots & Trend Analysis
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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19 questions
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1.
FLASHCARD QUESTION
Front
The scatter plot shows the number of books read by students in Mrs. Hall’s English class and their final grades. What does the line of best fit indicate?
Back
The more books students read, the higher their English grade.
2.
FLASHCARD QUESTION
Front
Which scatter plot shows a linear relationship between x and y? Options: Graph A, Graph B, Graph C, Graph D
Back
Graph C
3.
FLASHCARD QUESTION
Front
Which line represents the line of best fit for the scatter plot? Options: A, B, C, D
Back
C
4.
FLASHCARD QUESTION
Front
A fifth grade class conducted a 5-minute experiment that involved heating time and water temperature. The results of the experiment are represented in this line graph. What prediction can be made based on the information gathered?
Back
The water temperature increases as the heating time increases.
5.
FLASHCARD QUESTION
Front
Why was Trevor's conclusion about a positive correlation between class size and number of absences incorrect?
Back
The data show no relationship between class size and number of absences.
6.
FLASHCARD QUESTION
Front
This scatterplot could show the relationship between which two variables? Options: speed of an airplane (x) vs. distance traveled in one hour (y), outside air temperature (x) vs. air-conditioning costs (y), age of an adult (x) vs. height of an adult (y), distance traveled (x) vs. gas remaining in the tank (y)
Back
distance traveled (x) vs. gas remaining in the tank (y)
7.
FLASHCARD QUESTION
Front
Equation of the line of best fit?
Back
y = 30x
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