A File Must Always Be Opened Before Using It and Closed

question 42

True/False

A file must always be opened before using it and closed when the program is finished using it.

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Definitions:

Scatterplot

A type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data, showing the relationship between them.

Variables

Elements, characteristics, or conditions that can change or vary in a mathematical or statistical experiment.

Outliers

Data points that are significantly different from or inconsistent with the remainder of the dataset.

Scatterplot

A type of graph used in statistics to display values for typically two variables for a set of data, showing how much one variable is affected by another.