Which of the Following Cases Require the Mean of a Sample

question 67

Multiple Choice

Which of the following cases require the mean of a sample to be calculated using the formula $\bar { x } = \frac { \sum _ { i = 1 } ^ { N } f _ { i } x _ { i } } { N }$ , where N represents the sample size?

• 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:

Genetic Expression

The process by which information from a gene is used to direct the assembly of a protein molecule, determining physical traits.

Environmental Factors

Elements within the surrounding environment that can affect processes, development, or the condition of something or someone.

Inherited

refers to traits or conditions that are passed from parents to their offspring through genes.

Height

The measurement of someone or something from base to top or from head to foot.