Unit Test 5 - Exploring bivariate numerical data (From Khan Academy)

Q1: Correlation coefficient

Q2: Least squares regression line

Sol 2:

Q3: Scatter plot and line of best fit

Q4: Residual

Q5: Interpretation of slope

Q6: Non linear association

Q7: Scatterplot construction

Q8: Residuals from line of regression

Q9: Coefficient of determination (sq(R))

Q10: Interpretation of scatter plot for equation of line of regression

Sol 10:

Q11: Scatter plot building

Q12: Identifying the association from scatter plot