A Customer Service Center Keeps Track of the Number of Complaints

question 42

Multiple Choice

A customer service center keeps track of the number of complaints received each day about one of their new products.The numbers of complaints received over the last 11 day period are 19, 18, 22, 21, 17, 18, 22, 19, 16, 23, and 25.The IQR for this sample of data is

• A)25.
• B)22.
• C)18.
• D)9.
• E)4.

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Definitions:

Perpetuity

A type of annuity that pays a consistent amount indefinitely, with no end date.

Yield

The income return on an investment, such as the interest or dividends received, expressed as a percentage of the investment's cost or current market value.

Duration

A measure of the sensitivity of the price of a bond or other debt instrument to a change in interest rates, typically expressed in years.

Price Volatility

The rate at which the price of a security increases or decreases for a given set of returns, often measured by the standard deviation of historical daily price changes.