For a Continuous Random Variable X,the Population Mean and the Population

question 4

Short Answer

For a continuous random variable x,the population mean and the population standard deviation are 95 and 40,respectively.Assuming ,the standard deviation of the sampling distribution of the sample mean for a sample of 49 elements taken from this population,rounded to two decimals,is:

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Definitions:

Two-Step Flow Model

Theory on media effects that suggests audiences get information through opinion leaders who influence their attitudes and beliefs, rather than through direct, firsthand sources.

Textual Poaching

A term from media studies referring to how audiences creatively appropriate and give new meanings to media texts, often subverting original intentions.

Textual Poaching

The act of fans or consumers taking media texts and reappropriating them for their own purposes, often in creative or subversive ways.

Encoding/Decoding

A theory in cultural studies and media analysis that examines the process by which a message is created (encoded) by the sender, transmitted, and then interpreted or decoded by the receiver.