Determine whether the following bivariate data are correlated or not. If they are correlated, tell the direction of the association. Evaluate whether the correlation is most likely strong or weak.

a. Annual income of the family and floor area of the residence house.

b. Age and price of a car.

c. Gross national product and level of technology of a country.

d. Age and reaction time of persons over 18 years of age.

e. Yearly income and number of year schooling of company owners.

Note to the tutor: I have to explain every question thoroughly in front of a camera, so please have a step-by-step solutions. Correct terminology and notation are always used, making it easy to understand what was done. 100% of the steps and solutions have no mathematical errors. Excellent explanation.