Which of the Following Statements About the Probability Distributions Is

question 19

Multiple Choice

Which of the following statements about the probability distributions is correct?

• A) The shape of a probability distribution is not dependent on the number of observations.
• B) All probability distributions are normal.
• C) A non-normal probability distribution will lead to a better estimate of future losses.
• D) All of the above are incorrect.

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Definitions:

Chi-squared Test

The Chi-squared test is a statistical method used to determine if there is a significant difference between the expected and observed frequencies in one or more categories.

Test Statistic

A quantity derived from sample data used to make a decision about a hypothesis test.

Z

'Z' often represents the Z-score in statistics, which is the number of standard deviations a data point is from the mean of the data set.

Square

A polygon with four equal sides and four right angles.