A Survey Asked 857 People How Many Times Per Week

question 104

Multiple Choice

A survey asked 857 people how many times per week they dine out at a restaurant. The results are presented in the following table.
$\begin{array}{cc}\hline \text { Number of Times } & \text { Frequency } \\\hline 0 & 136 \\1 & 254 \\2 & 233 \\3 & 104 \\4 & 74 \\5 & 21 \\6 & 28 \\7 & 7 \\\hline \text { Total } & 857\end{array}$

Consider the 857 people to be a population. Let $X$ be the number of times per week a person dines out for a person sampled at random from this population. Compute the standard deviation.

• A) 2.1
• B) 1.9
• C) 2.3
• D) 1.5

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Definitions:

Distribution of Cash

The process of allocating cash among creditors, investors, and operational expenses within a company.

Income and Loss Sharing

A method of distributing profits and losses among business partners or investors according to a pre-agreed ratio.

Noncash Assets

Assets that cannot be easily converted into cash, such as property, equipment, and investments.

Liquidated

The process of converting assets into cash or cash equivalents by selling them on the open market.