Correlations (Situation)
Correlations (Graphs)
Reading Scatterplots
Lines of Best Fit
Trivia!
100
Hours after sunrise and temperature (from 6am to noon).
positive
100
What type of correlation does this graph show?
What is positive?
100
What two points could you use to determine the line of best fit ?
What is (1,10) and (2,15)
100
How do you determine where to place the line of best fit?
There should be an equal number of points above and below the line.
100
Smallest ocean in the world.
Arctic
200
The number of siblings a student has and their mile time.
no correlation
200
What type of correlation is shown in the scatter plot?
What is negative?
200
Estimate the y-intercept of this graph
What is b=5
200
Two points on the line of best fit are (4, 85) and (2, 70). Find the slope for the line of best fit using these points.
15/2
200
What is the only fruit with its seeds on the outside?
strawberries
300
Temperature outside and number of pets
no correlation
300
What type of correlation is shown?
What is no correlation?
300
Interpret what the coordinate (10, 85) means on this graph below.
A student that sleeps for 10 hours scores an 85 on their test.
300
What two points cross the line of best fit?
Two points on the line of best fit are: (4, 4) and (8, 6)
300
Name as many countries as you can that start with the letter C
Cambodia, Cameroon, Canada, Cape Verde, Cayman Islands, Central African Republic, Chad, Chile, China, Colombia, Comoros, Cook Islands, Costa Rica, Croatia, Cuba, Curacao, Cyprus and Czechia
400
The number of miles a car is driven and the amount of gas left in the tank (no refueling)
negative
400
Create a scatter plot that has a strong positive correlation.
Answers may vary.
400
Is there an outlier? If so, what is its coordinate?
(9,60)
400
What is the slope- intercept form equation?
y=mx+b
400
How many bones are in the human body?
206
500
Number of visitors to a water park and temperature.
positive
500
Create a scatter plot that has a negative weak correlation.
Answers may vary.
500
What does the point (1,50) mean on this graph below.
1 hour studying earns a 50 percent on final exam
500
True or false and explain.
I can use any two points of a given set of data to determine the line of best fit for the data.
False, the points MUST be on the line of best fit.
500
What is the most popular emoji on social media?
