If We Are Testing for the Difference Between the Means

question 189

Multiple Choice

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

• A) 39.
• B) 38.
• C) 19.
• D) 18.

---

Definitions:

Dictionary Words

Words that are recognized and defined in a dictionary, reflecting their correct spelling, meaning, and use.

Decrypt

The process of converting encoded or encrypted data back into its original format, making it readable again.

Encrypted Message

A message that has been converted into a secure format that conceals its original content from unauthorized users, ensuring privacy and security.

Key

Essential factor or element that plays a crucial role in accessing, operating, or understanding something.