In Words,how Would You Find the Standard Deviation of the Difference

question 6

Multiple Choice

In words,how would you find the standard deviation of the difference between two independent random variables?

• A)It is the difference between the two standard deviations.
• B)It is the square root of the difference between the two variances.
• C)It is the sum of the two standard deviations.
• D)It is the square root of the sum of the variances.
• E)It is the square root of the sum of the standard deviations.

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Definitions:

Two-Word Verb

A verb phrase consisting of a main verb and a preposition or adverb complementing its meaning, often conveying a unique action.

Cross-Cultural Communication

Cross-cultural communication refers to the process of exchanging information and ideas between individuals from different cultural backgrounds in a way that is understandable and respectful to all parties involved.

Ethnocentrism

The belief in the inherent superiority of one's own ethnic group or culture, often accompanied by a dismissal of other cultures.

Body Language

Non-verbal communication through gestures, facial expressions, behaviors, and posture.