The Principle of Randomness in Sampling Means That

question 37

Multiple Choice

The principle of randomness in sampling means that

• A) every person should have a known chance, and especially an equal chance, of being sampled.
• B) there is no preplanning in the selection process.
• C) every person in the target population who is encountered is selected.
• D) researchers decide how many persons of certain types they need in the survey.
• E) the poll is unscientific.

---

Definitions:

Fixed Cost

A cost that does not change with an increase or decrease in the amount of goods or services produced or sold.

Marginal Cost

The escalation in the entire cost linked to the output of an additional unit.

Average Cost

The cost per unit is determined by dividing the overall production cost by the total units produced.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the quantity of output produced.