What Is a Tester Class

question 49

Multiple Choice

What is a tester class?

• A)A class that constructs objects.
• B)A class that invokes one or more methods.
• C)A class that is named Tester.
• D)A class with a main method that contains statements to run methods of another class.

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Definitions:

Sum of Squared Deviations

The total of the squared differences between each observation and the mean of a dataset.

Standard Deviation

An indicator used to assess the degree to which data points diverge or scatter around the average value.

Range

The difference between the highest and lowest values in a dataset, showing the spread of the data.

Mean

An average value that summarizes or represents the central tendency within a data set, determined by dividing the sum of all values by their count.