The Relative Frequency Table Below Shows the Closing Share Price

question 43

Multiple Choice

The relative frequency table below shows the closing share price changes for the 100 most actively traded NASDAQ stocks yesterday.Use the grouped data table to approximate the standard deviation for the data represented.

• A)1.22
• B).30
• C).83
• D).16
• E).55

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Definitions:

Sample Mean

The average value of a set of data points taken from a larger population, used as an estimate of the population mean.

Sample Standard Deviation

A measure of the amount of variation or dispersion of a set of values in a sample.

Mean Salary

The average income earned by employees in a specific group, calculated by dividing the total salary by the number of individuals.

Net Weight

The weight of a product without any packaging or container, essentially the weight of the goods alone.