Researchers Investigating the Association Between the Size and Strength of Muscles

question 597

Essay

Researchers investigating the association between the size and strength of muscles
measured the forearm circumference (in inches) of 20 teenage boys. Then they measured
the strength of the boys' grips (in pounds). Their data are plotted.
a. Write a few sentences describing the association.
b. Estimate the correlation. r = ________
c. If the point in the lower right corner (at about 14" and 38 lbs.) were removed, how would
the correlation become stronger, weaker, or remain about the same?
d. If the point in the upper right corner (at about 15" and 75 lbs.) were removed, would the
correlation become stronger, weaker, or remain about the same?

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Definitions:

Absolute Control

A situation where all power and decisions rest with one entity or individual, without any external influences or checks.

Double Taxation

The imposition of two or more taxes on the same income, asset, or financial transaction.

Sole Proprietorship

A business structure where a single individual owns and operates the business, bearing full responsibility for its assets and liabilities.

Limited Liability

A legal structure that limits the financial liability of the owners to the amount they invested in the company, protecting personal assets from business debts and obligations.