To Convert a Normally Distributed Variable X into a Standard

question 79

Multiple Choice

To convert a normally distributed variable X into a standard Z score we would:

• A)subtract the mean from the original observation and divide the result by the variance.
• B)subtract the mean from the original observation and divide the result by the standard deviation.
• C)add the mean and the original observation, then divide by the variance.
• D)subtract the mean from the standard deviation and divide by the variance.

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Definitions:

Iroquois

A historically powerful and important northeast Native American confederacy, known as the Haudenosaunee, consisting of six nations: the Mohawk, Onondaga, Oneida, Cayuga, Seneca, and Tuscarora tribes.

William Penn

An English Quaker leader and founder of Pennsylvania, a colony established as a place of religious freedom for Quakers and other persecuted religions.

Walking Purchase

A 1737 agreement between the Penn family, the proprietors of Pennsylvania, and the Lenape Indians, which fraudulently expanded Pennsylvania territory by utilizing a forged document.

Lenni Lenape Indians

A Native American tribe originally inhabiting parts of the Northeastern United States, also known as the Delaware Indians.