
Understanding Correlation and Data Representation

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do the red dots on a graph typically represent?
Variables
Axes
Data points
Trend lines
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the line of best fit in a graph?
To separate the x and y axes
To highlight the highest data point
To represent the average trend of the data
To connect all data points
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you describe the spread of data around the line of best fit?
By its shape
By its color
By its size
By how closely it aligns with the line
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'correlation' refer to in data analysis?
The distance between data points
The relationship between two variables
The color of the graph
The size of the data set
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correlation coefficient used for?
To determine the color of the graph
To numerically express the strength of correlation
To calculate the average of data
To measure the size of data points
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a correlation coefficient of 1 indicate?
No correlation
Perfect correlation
Negative correlation
Random data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive correlation imply about the relationship between two variables?
As one variable increases, the other decreases
The variables are unrelated
There is no relationship
As one variable increases, the other also increases
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