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

question 3

Short Answer

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 critical value should you use?

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Definitions:

Illusory Correlation

The perception of a relationship between two variables even when no such relationship actually exists.

Infertile Couples

Couples who are unable to conceive a child after one year of regular, unprotected intercourse.

Conceive

To form a notion, idea, or plan in the mind.

Randomly Assigned

Random assignment is a method used in experiments to place participants into different groups using randomization, which helps ensure that each group is similar at the start of the experiment.