If Both of the Child References of a Binary Tree

question 11

Multiple Choice

If both of the child references of a binary tree node are non-null, it follows that the node must be ____.

• A) a root node
• B) a leaf node
• C) a child node
• D) an interior node

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Definitions:

Sampling Error

The discrepancy between the statistical characteristics of a sample and those of the population from which the sample was drawn.

Sample Variance

A measure of dispersion that calculates how much the numbers in a sample differ from the mean of the sample.

Unbiased Estimate

An estimator or prediction that, on average, exactly matches the parameter being estimated in the population.

Denominator

The bottom number in a fraction that shows into how many equal parts the whole is divided.