The Nodes in Which of the Trees Below Will Be

question 48

Multiple Choice

The nodes in which of the trees below will be printed in alphabetical order by the following recursive procedure?
def printTree (Tree) :
If (Tree is not None) :
Print(Tree.Value)
PrintTree(Tree.Right)
PrintTree(Tree.Left)

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Definitions:

Confounding Variable

An external influence that can affect the results of an experiment by introducing a variable the researchers hadn't considered, which can create a false association between the study's variables.

Mean Annual Temperature

The average temperature of a specific location over the course of a year, calculated by summing the daily temperatures and dividing by the number of days.

Murder Rate

a statistic measuring the number of murders per unit of population within a specified time frame, commonly used as a crime rate indicator.

Independent Variables

Variables in an experimental setting that are manipulated to observe their effect on dependent variables.