WorksheetsScatter plots review
Total questions: 10
Worksheet time: 5mins
What is the equation of the line of best fit?
y = -25x + 170
y = -5/8x + 170
y = 25x + 170
y = 5/8x + 170
The equation of the trend line is y= 1/2x +1
How many laps can a bicycle make around the park in 11 minutes?
44 laps
12 1/2 laps
20
23
y = 0.25x + 8
Based on the equation, what is the number of new types of plants that will be in the park after 24 years?
Describe the correlation, if the correlation coefficient is r = -0.26
Positive, weak
Negative, weak
Positive, strong
Negative, strong
Estimate the correlation coefficient.
r is close to 1
r is close to -1
r is close to 0
r is close to -0.5
r is close to 0.5
Which of the following could be the equation of the trend line for this graph?
y=10x − 15
y=−3x+12
y=21x+11
y=−34x
There is no trend line because there is no association
Which equation could be a trend line for this graph?
y=2x
y=2x+5
y=−2x+5
y=−2x
There is no trend line because there is no association
Which of the following would be the most accurate equation for the scatter plot?
y = -2x - 7
y = -x + 7
y = 3x + 7
y = 25x + 7
