In a Test of Physical Fitness, a Group of Men $\mu$

question 54

Essay

In a test of physical fitness, a group of men ages 65 and older from a local retirement community were told to do as many sit-ups as they could.It is known the population mean $\mu$ is 20 with $\sigma_{X}=8$ The scores for the men from the retirement community are given below.Use a two-tailed rejection region with a total area of 0.05.What is the standard error of the mean?

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Definitions:

Psychology

The systematic exploration of human mind and its operations, particularly those influencing behavior in specific situations.

Applied Psychology

the branch of psychology focused on the practical application of research to solve real-world problems.

Counselling Psychology

A field of psychology focused on facilitating personal and interpersonal functioning across the life span with an emphasis on emotional, social, vocational, educational, health-related, developmental, and organizational concerns.

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The daily activities, patterns, and behaviors that form the routine of an individual's life in a societal context.