Find the Range and Standard Deviation for Each of the Two

question 110

Multiple Choice

Find the range and standard deviation for each of the two samples, then compare the two sets of results.
-When investigating times required for drive-through service, the following results (in seconds) were obtained. $\begin{array}{l|l|l|l|l|l|l|l|l}\text { Restaurant A } & 120 & 123 & 153 & 128 & 124 & 118 & 154 & 110 \\\hline \text { Restaurant B } & 115 & 126 & 147 & 156 & 118 & 110 & 145 & 137\end{array}$

• A)
• Restaurant A: \(46; 16.9\)
• Restaurant B: \(44; 16.2\)
• Both measures indicate there is more variation in the data for restaurant A than the data for restaurant \(B\).
• B) Restaurant A: \(44; 16.2\)
• Restaurant B: \(46; 16.9\)
• Both measures indicate there is more variation in the data for restaurant \(B\) than the data for restaurant A.
• C) Restaurant A: \(44; 16.1\)
• Restaurant B: \(46; 16.9\)
• Both measures indicate there is more variation in the data for restaurant \(B\) than the data for restaurant A.
• D) Restaurant A: \(46; 16.2\)
• Restaurant B: \(44; 16.9\)
• It is inconclusive as to which data set has more variation.

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Definitions:

Nominal Gross Domestic Product

a measure of a country's economic output (all goods and services produced) valued at current market prices, without adjusting for inflation.

Consumer Price Index

is a measure that examines the weighted average of prices of a basket of consumer goods and services, often used to assess inflation.

Annual Rate

Refers to the yearly interest rate or growth rate applied to investments, loans, or any financial product that calculates earnings or payments over a year.

Inflation

The rate at which the general level of prices for goods and services is rising, eroding purchasing power.