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For which of the following random variables would the use of a Normal distribution as a model be a clear error?
a) The number of houses that an individual owns
b) The number of minutes that a battery lasts in a cell phone
c) Student test scores on an exam
d) The daily percentage change on a stock

Sagot :

Ogorwyneidn

Answer:

A. The number of houses that an individual owns

Explanation:

The use of normal distribution in option A would produce an error. That is the number of houses individuals own.

We know that people can own 1 house or more than 1 house or no house at all. But a person can never be said to have less than 0 houses.

Option a is going to be skewed positively. Using Normal distribution would give us an error.

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