(I the Standard Deviation the Positive Square Root of the Variance

question 32

Multiple Choice

(i. The standard deviation the positive square root of the variance. (ii) The capacities of several metal containers are: 38, 20, 37, 64, and 27 litres. The range in litres is 24.
(iii) The sum of the deviations of each value from the mean equals zero.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements, but not (i).
• E) (i), (ii) and (iii) are all false statements.

---

Definitions:

Output Level

The amount of products or services that a business or sector generates during a specific period.

Plant Sizes

Refers to the scale or capacity of manufacturing or production facilities, impacting output, efficiency, and economies of scale.

Natural Monopoly

An industry in which economies of scale are so great that a single firm can produce the industry’s product at a lower average total cost than would be possible if more than one firm produced the product.

Unit Costs

The expense a business incurs to manufacture, warehouse, and distribute a single unit of a specific product or service.