MULTIVARIABLE DATA ANALYSIS PART 2 10/2/17

Question 1

On a stata output what does the coef give you?

Answer 1

gives the m and b parts of the y=mx + b

Question 2

What does the 95% conf interval give you?

Answer 2

gives the confidence intervals of the coefs

Question 3

what is R squared mean?

Answer 3

model fit

• proportion of variation explained by the linear model
• values between 0 to 1
• higher the value the more variation
• 1 is a perfect fit

Question 4

What does it mean if the coef is negative?

Answer 4

indicates a decrease