Calculate the Mean of the Grouped Data from the Given

question 16

Multiple Choice

Calculate the mean of the grouped data from the given frequency distribution. (Round your answer to the nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency } ( f ) \\\hline 20 \text { to } 29 & 1 \\\hline 30 \text { to } 39 & 3 \\\hline 40 \text { to } 49 & 3 \\\hline 50 \text { to } 59 & 1 \\\hline 60 \text { to } 69 & 1 \\\hline 70 \text { to } 79 & 1 \\\hline\end{array}$$

• A) 27.0
• B) 45.5
• C) 32.4
• D) 49.5

---

Definitions:

Price Ceiling

A legally imposed maximum price on goods or services, preventing prices from rising above a certain level.

Shortage/Surplus

A situation where the quantity of a good demanded exceeds the quantity supplied (shortage) or the quantity supplied exceeds the quantity demanded (surplus).

Price Ceiling

A cap set by the government on the maximum price that can be asked for a good, service, or commodity.

Shortage/Surplus

An economic condition where the quantity demanded is greater than (shortage) or less than (surplus) the quantity supplied at the market price.