Random Samples of Size 81 Are Taken from an Infinite

question 82

Multiple Choice

Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 45 and 9,respectively.The mean and standard error of the sampling distribution of the sample mean are:

• A)45 and 9
• B)45/81 and 9/81
• C)45 and 9/√81
• D)45/√81 and 9/√81

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Definitions:

Learning Curve

represents the rate at which a new skill is learned or proficiency is gained, often graphed as performance improvements over time with increased experience.

Logarithmic Approach

Utilizing logarithms, a mathematical concept related to exponents and power functions, to solve problems or understand data trends.

Learning Curve

A graphical representation of how an individual's or organization's performance improves over time as a result of learning or experience.

Learning Curve

A graphical representation illustrating how an increase in learning or experience leads to a decrease in time or effort required to perform a task.