A Common Objective for Many School Administrators Is to Increase $r =$

question 25

Essay

A common objective for many school administrators is to increase the number of students
taking SAT and ACT tests from their school. The data from each state from 2003 are
reflected in the scatterplot.
a. Write a few sentences describing the association.
b. Estimate the correlation. $r =$ __________
c. If the point in the top left corner (4, 1215) were removed, would the correlation become
stronger, weaker, or remain about the same? Explain briefly.
d. If the point in the very middle (38, 1049) were removed, would the correlation become
stronger, weaker, or remain about the same? Explain briefly.

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Definitions:

Dermatomyositis

An inflammatory disease marked by muscle weakness and skin rash, primarily affecting the skin and skeletal muscles.

My/o

A prefix relating to muscle or muscles.

Muscle

A tissue composed of fibers capable of contracting to effect bodily movement.

Torsion

The twisting of an organ or body part on its own axis, leading to potential blood flow restriction.