In Order to Determine an Interval for the Mean of a Population

question 109

Multiple Choice

In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected. The mean of the sample is determined to be 23. The number of degrees of freedom for reading the t value is

• A)22
• B)23
• C)60
• D)61

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Definitions:

Visual Parallelism

The use of similar visual elements within a design or presentation to create a sense of balance and harmony.

Document

A written, typed, or printed record that provides information or evidence.

Design

The process of creating a plan or convention for the construction of an object, system, or measurable human interaction.

Visuals

Graphic elements such as images, charts, and videos used in communication to enhance understanding, engagement, and retention of information.