In 1930,the Average Size of a Public Restroom Was 172

question 35

Multiple Choice

In 1930,the average size of a public restroom was 172 square feet;by 1990,due to federal disability laws,the average size had increased to 471 square feet.Suppose that a design team believes that this standard has increased from the 1990 level.They randomly sample 23 public restrooms in a major Midwestern city and obtain a mean square footage of 498.78 with a standard deviation of 46.94.Calculate the appropriate test statistic to test the hypotheses.

• A)2.84
• B)13.61
• C)30.34
• D)-2.84
• E)-13.61

---

Definitions:

Equilibrium Price

The price at which the quantity of a good demanded by consumers equals the quantity supplied by producers, resulting in a stable market condition.

Price Floor

A government- or authority-imposed minimum price that can be charged for a product or service, often above the equilibrium price.

Network Externality

A situation where the value of a product or service increases as more people use it.

Intrinsic Value

The inherent or fundamental worth of something, not influenced by external factors or market conditions.