Each Child Element May Contain Children of Its Own and So

question 113

Multiple Choice

Each child element may contain children of its own and so forth down the hierarchy,creating a set of _____ elements that are all descended from a common parent.

• A) ​descendant
• B) ​child
• C) parent
• D) ​sibling

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Definitions:

Z-statistic

A statistic that quantifies the number of standard deviations a data point is from the population mean.

Level of Significance

The threshold below which a p-value is considered statistically significant, indicating the probability of wrongly rejecting the null hypothesis.

Sample Mean

The arithmetic mean calculated from a sample of data from a larger population, used to estimate the population mean.

Population Mean

The average measure of a set of values from the entire population of interest, representing its central tendency.