A Simple Random Sample of 45 Elements Has Been Selected

question 18

Multiple Choice

A simple random sample of 45 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60. The standard error of the mean is

• A) 8.9
• B) 62.7
• C) 1.6
• D) 8.7

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Definitions:

Verbal Bullying

Bullying behavior that uses spoken words, threats, or name-calling to intimidate or humiliate someone.

Physical Bullying

A form of bullying involving direct physical contact and harm, such as hitting, kicking, or pushing.

Learning Theory

A framework that describes how learning occurs through interactions with the environment, including through processes such as reinforcement and observation.

Anxiety Disorders

Anxiety Disorders are mental health conditions characterized by significant fear, anxiety, or distress that interferes with daily functioning.