A Researcher Investigated Whether the Noise Level in a Room

question 53

Multiple Choice

A researcher investigated whether the noise level in a room influenced productivity.For this experiment, = 3 and = 20.What is ? Use  = 0.05.

• A)3.10
• B)3.59
• C)4.94
• D)8.66

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Definitions:

Unix/Linux

A category of operating systems that are powerful, multi-user, and serve as the foundation for many modern platforms.

-lm

An option used in the command line when compiling a program in C or C++ to link the math library, making mathematical functions available to the program.

Control String

A string in programming used to format or control the output of variables, often seen in functions for printing or displaying data.

Function

A named section of a program designed to perform a specific task, which can take inputs, process them, and return an output.