Lecture 4- correlation Flashcards
what is correlation and what does it look into
what does positive correlation mean and what is an example
what does negative correlation mean and what is an example
what is the correlation coefficient
what are the 2 types of coefficient
what does r=0 mean
what does r=1 mean
what does r= -1 mean
what is a scatter graph and what is an example
what does r=0.50 look like
what does r=0.90 look like
what does r=1.00 look like
what does r=-0.50 look like
what does r= -0.90 look like
what does r= -1.00 look like
what is the Pearson correlation coefficient assumptions mean
what does a significant correlation not always mean
do we always need to say strength, direction and p values
what does a partial correlation mean
what is the next step if a correlation coefficient is significant
what is regression analysis
what is the equation for regression
what is the equation for the dependant variable
what do the types of regression depend on
what are the 2 types of regression and what are they
what is the Coefficient of Determination R2
as the number of predictors increases, what also increases
what are predictor variables also known as
what are predictor variables
what od multiple regression outputs look at
what is the standardised beta coefficient
what square values relate to variance
what is the r square
what is the adjusted r square