Decide Whether the Given Set of Numbers Is a Group

question 46

Multiple Choice

Decide whether the given set of numbers is a group under the given operation.
-Even integers; addition

• A) Yes
• B) No

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Definitions:

Sample Proportion

The fraction of the sample that represents a particular attribute or characteristic.

Normal Probability Distribution

A bell-shaped distribution characterized by its mean and standard deviation, representing a continuous random variable.

Central Limit Theorem

A statistical theory that states that the distribution of sample means approximates a normal distribution as the sample size becomes larger, regardless of the population's distribution.

Nonsampling Errors

Errors that occur in data collection processes other than random sampling errors, often due to human error.