Which of the Following Distributions Is Used When Estimating the Population

question 69

Multiple Choice

Which of the following distributions is used when estimating the population mean from a normal population with unknown variance?

• A)the t distribution with n + 1 degrees of freedom
• B)the t distribution with n degrees of freedom
• C)the t distribution with n - 1 degrees of freedom
• D)the t distribution with 2n degrees of freedom

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Definitions:

Constructed Structure

Man-made buildings or edifices created for specific purposes, ranging from residential, commercial, to infrastructural uses.

Noticeable Effect

An observable or measurable impact resulting from a specific action or phenomenon.

Evolution Timescales

The long periods over which evolutionary processes such as mutation, selection, and drift act, ranging from thousands to billions of years.

Natural Selection

The process by which organisms that are better adapted to their environment tend to survive and produce more offspring, a key mechanism of evolution.