Which of the Following Cases Require the Mean of a Sample

question 75

Multiple Choice

Which of the following cases require the mean of a sample to be calculated using the formula = $\bar{x}=\frac{\sum_{i=1}^{N} f_{i} x_{i}}{N}$
?

• A)the sample has no mode value
• B)there is direct access to the raw data
• C)sample data are grouped in a frequency distribution
• D)the coefficient of skewness is 1 or less than -1

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Definitions:

Simple Interest

A method of calculating interest where the interest charge is based only on the original principal, not on the interest which has been added over time.

Annual Rate

The interest rate for a period of one year.

T-Bill

A short-term government debt obligation backed by the Treasury Department of a country with a maturity of less than one year.

Interest Rate

The percentage of a sum of money charged for its use, typically expressed as an annual rate.