Variables
Outliers and Predictions
Correlations
Bad Korean Jokes
Line of Best Fit
100
This variable goes on the x-axis.
What is the independent variable?
100
What is an outlier?
What is a point that is distant (skewed) from the rest of the data?
100
What type of correlation does this graph show?
What is positive?
100
Did you hear the rumor about a door that summons cows?
It's just a 소문.
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.
200
This variable is impacted by the other variable and is placed on the y-axis.
What is the dependent variable?
200
Which point is the outlier?
What is approximately (30, 6000)?
200
What type of correlation is shown in the scatter plot?
What is negative?
200
What does a smart salesperson say the first time he meets you?
만나서 "반값"습니다
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 or 7.5
300
If I am graphing the number of shots made and the hours of practice for a player, which would be the independent variable?
What is the number of hours of practice?
300
Based on the scatter plot how many CDs would be sold for 2 jars of jam?
What is about 15 CDs?
300
What type of correlation is shown? Write a sentence describing the impact or lack of impact that impulsiveness has on empathy.
What is no correlation? Impulsiveness has no impact on empathy.
300
Who is the group of countries that always have a good reason for everything?
The 이유.
300
What are two points on the line of best fit?
Two points on the line of best fit are: (4, 1) and (3, 2)
400
On a graph showing the relationship between salary and years of experience which variable would be the dependent variable?
What is salary?
400
If a person is 45 years old, based on the scatter plot, what should they expect their income to be?
What is about 45,000.
400
Describe what a positive correlation means for data.
When one variable increases the other variable will also increase.
400
Which body part gets the best exercise by going fast?
허리.
400
Which country are hamburgers originally from?
Germany. (They were named after the "Hamburg steak"!)
500
Write a sentence describing the relationship between the average daily temperature and the number of beach visitors.
The number of beach visitors increases as the average daily temperature increases. (Positive correlation)
500
This is the length of the longest song in the world.
What is 1000 years? (The song is called Longplayer.)
500
Describe the correlation of a data set best fit by the line y = 5.
No correlation. (The slope of the line = 0.)
500
What do you do in your free time if you're studying computer science in America?
유학. ("You hack.")
500
What is the correlation coefficient of the line of best fit for the following data set? (0, 4); (5, 10); (6, 12); (8, 12); (10, 15)
0.9809 - a very strong positive correlation