The Magnitudes of the Major Earthquakes in 1999 Are Listed

question 33

Multiple Choice

The magnitudes of the major earthquakes in 1999 are listed below.
$\begin{array} { l l l } \text { 1/19/99 } & \text { New Ireland, Papua New Guinea } & 7 \\2 / 6 / 99 & \text { Santa Cruz Islands, S.Pacific Sea } & 7.3 \\3 / 4 / 99 & \text { Celebes Sea, Indonesia } & 7.1 \\4 / 5 / 99 & \text { New Britain, Papua New Guinea } & 7.4 \\4 / 8 / 99 & \text { E.Russia/N.E.China border } & 7.1 \\5 / 10 / 99 & \text { New Britain, Papua New Guinea } & 7.1 \\5 / 16 / 99 & \text { New Britain, Papua New Guinea } & 7.1 \\8 / 17 / 99 & \text { Izmit region, western Turkey } & 7.4 \\9 / 21 / 99 & \text { Taiwan } & 7.8 \\9 / 30 / 99 & \text { Oaxaca, Mexico } & 7.4 \\11 / 12 / 99 & \text { Bolu Province, northwest Turkey } & 7.2\end{array}$
Find the mean, median, and mode of the magnitudes. Round to the nearest tenth.

• A) mean 7.2; mode 7; median 7.3
• B) mean 7.3; mode 7.2; median 7.2
• C) mean 7.4; mode 7.2; median 7.2
• D) mean 7.3; mode 7.1; median 7.2
• E) mean 7.2; mode 7.1; median 7.2

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Definitions:

Black Monday

Refers to a specific date, October 19, 1987, when stock markets around the world crashed, recording the largest one-day percentage decline in stock market history.

Daily Returns

The profit or loss of an investment over a single trading day, expressed as a percentage of the investment's value at the start of the trading day.

Normally Distributed

A statistical term that describes a bell-shaped frequency distribution that is symmetric about the mean, used in various financial models to assume the distribution of returns or asset prices.

Risk-Adjusted Returns

Performance measurement that evaluates the return gained from an investment relative to the risk taken, often calculated using measures such as the Sharpe ratio.