Use the Given Frequency Distribution to Construct a Cumulative Frequency

question 21

Essay

Use the given frequency distribution to construct a cumulative frequency distribution and an ogive.
- $$\begin{array}{l}\text { Phone Calls (per day) }\\\begin{array} { r | c } { \text { Class } } & \text { Frequency, } \mathrm { f } \\\hline 8 - 11 & 18 \\12 - 15 & 23 \\16 - 19 & 38 \\20 - 23 & 47 \\24 - 27 & 32\end{array}\end{array}$$

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Definitions:

Dow Jones

A reference to either the Dow Jones Industrial Average (DJIA), a stock market index of 30 prominent companies in the U.S., or the company Dow Jones & Company, known for its financial market indices and news.

Industrial Average

A stock market index that measures the performance of a sector of the economy, typically composed of leading companies in that sector.

Price-Weighted

Refers to a stock market index in which each company's stock influences the index in proportion to its price per share.

Money Market

A segment of the financial market in which short-term financial instruments, such as Treasury bills and commercial paper, are traded.