Statistics

Question 1

univariate model

Answer 1

comparing one variable to another

Question 2

multivariate model

Answer 2

comparing multiple dependent variables to one independent

Question 3

r-squared in linear regression

Answer 3

tells you the goodness of fit for a model and if your in

how well the regression line predicts the data

Question 4

alleys and crime explanation of r squared value

Answer 4

alleys explain 2.4% of the
variation in crime at the block group level in Denver

Question 5

p values for linear regression

Answer 5

tells you if your result is statistically significant (under 0.05 typically) and if your null hypothesis can be rejected