What is the purpose of a trendline in a scatter plot?

Mastering Trend Line Predictions

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Medium

Sophia Harris
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To lie as close as possible to the data points and show the overall trend
To highlight the highest and lowest points
To create a curved line through the data points
To connect all the data points exactly
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When sketching a trendline, what is the main goal?
To avoid touching any data points
To match the overall shape of the data
To ensure the line is horizontal
To make the line as long as possible
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If x is 7, what is the predicted value of y based on the trendline?
40
60
30
50
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in predicting y when x is given?
Plot a point at the origin
Start at the y-axis
Draw a vertical line from the x-axis value
Draw a horizontal line from the y-axis value
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If y is 10, what is the predicted value of x based on the trendline?
20
15
10
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in predicting x when y is given?
Plot a point at the origin
Draw a horizontal line from the x-axis value
Draw a vertical line from the y-axis value
Start at the x-axis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the polar bear example, what is the predicted age of a polar bear that weighs 50 pounds?
5 months
9 months
3 months
7 months
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