A Frequency Distribution Has a Mean of 100 and a Standard

question 55

Multiple Choice

A frequency distribution has a mean of 100 and a standard deviation of 20. The class limits for one class are 50 up to 60. What are the standard normal z-statistics for the class limits?

• A)−20 and 20
• B)−2.5 and −2.0
• C)2.0 and 2.5
• D)−50 and −40

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Definitions:

Fourth Market

A market where institutional investors trade securities directly among themselves without the use of a broker.

Difference

The result obtained when one quantity is subtracted from another.

Common Stock

A type of equity ownership in corporations, where shareholders have voting rights and potentially dividends.

Primary Market

The financial market where new securities are issued and sold for the first time, often via initial public offerings (IPOs).