Scatterplots and Regression Flashcards
1
Q
What is a deviation?
A
A measure that is used to find the difference between the observed value and the expected value of a variable.
*In simple words, the deviation is the distance from the center point.
2
Q
What are Conditional Means?
A
The expected value of a random variable, computed with respect to a conditional probability distribution.
*Conditional means are found by summing all Y values for each value of X and then dividing by the number of cases.
3
Q
What is the formula for a Slope
A
Y=a+bX
