If You Are Testing for the Difference Between the Means

question 70

Multiple Choice

If you are testing for the difference between the means of two independent populations with samples of n₁ = 20 and n₂ = 20,the number of degrees of freedom is equal to

• A) 19.
• B) 39.
• C) 38.
• D) 18.

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The medium through which messages are transmitted from a sender to a receiver, such as email, phone, or face-to-face conversation.

Technological Communication

The exchange of information and ideas through the use of electronic devices and software.

Permanent Record

A document or file that records significant information or events, intended to be kept indefinitely without changes.

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The use of electronic mail as a means of exchanging messages and information between individuals or groups.