A CFO Is Looking at How Much of a Company's

question 36

Multiple Choice

A CFO is looking at how much of a company's resources are spent on computing.He samples companies in the pharmaceutical industry and develops the following stem-and-leaf graph. $\begin{array} { l l } 5 & 269 \\6 & 255568999 \\7 & 11224557789 \\8 & 001222458 \\9 & 02455679 \\10 & 1556 \\11 & 137 \\12 & \\13 & 255\end{array}$
What would be the class length used in creating a frequency histogram?

• A)1.4
• B)8.3
• C)1.2
• D)1.7
• E)0.9

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Definitions:

Sample Standard Deviations

A measure that quantifies the amount of variation or dispersion of a set of sample data values.

Margin Of Error

An estimate of the amount by which a sample statistic differs from a population parameter, expressed often as a confidence interval.

Equal Sample Sizes

A condition in statistical analysis where the number of data points or observations in each group or category being compared is the same.

Population Variances

A measure of the dispersion or spread of data points in a population, indicating how much the data varies from the mean of the population.