Typical or normal; usual; ordinary. Total of numbers divided by the number of items. amount to or achieve as average rate or amount over period of time.

word, clause, or sentence inserted as explanation or afterthought into passage that is grammatically complete without it, in writing. Two symbols ( and ), used in writing.

begin or be reckoned from particular point in time or space.

action or activity of buying and selling goods and services. To give something in return for something else.

make idea or situation clear to someone by describing it in more detail.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To greet someone who has just arrived.

having specified appearance. To appear to be when you look at them; seem.

in space separating things. Among two or more people who share something.

relating to tutor or tutor's tuition. A lesson given to a small group.

done with full awareness of likely consequences. To find an answer using mathematics.

To make someone, something part of a group.

Complex; difficult to understand. undefined.

something that is kept or meant to be kept unknown or unseen by others. Information that others do not know.

Bar chart representing a frequency distribution.