BUAL 2650 GUPTA FINAL UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

BUAL 2650 GUPTA FINAL UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
1. predictive analytics
Answer:
what will happen

Question:
2. descriptive analytics
Answer:
What has happened?

Question:
3. correlation coefficient
Answer:
measure of linear relationship between 2 variables, x and y, which doesn't depend on units of measurement

Question:
4. R squared
Answer:
the proportion of the total variation in a dependent variable explained by an independent variable

Question:
5. lurking variable
Answer:
unknown variable that hasnt been accounted for

Question:
6. equations
Answer:
actual-predicted

Question:
7. Multicollinearity
Answer:
independent variables are highly correlated

Question:
8. p-value > alpha
Answer:
fail to reject

Question:
9. p-value < alpha