Which of the statements is correct.

Question $8$Select one:

a$.$

Days on market is an example for velocity data because it changes from day to day.

b$.$

Interest rates, employment rates, taxes, school rankings are examples of variety of data.

c$.$

The URL can be used to include pictures of the property which is an example of variety of data.

d$.$

All answers are examples of the $3$ V$\text{'}$s$.$

e$.$

The number of properties in the database is an example of volume.