Two Algebra Classes at University High School Took the Same

question 13

Essay

Two algebra classes at University High School took the same quiz. Mr. Athens had 25 students in his class with a mean score of 80. Mrs. Sutton's class of 30 students had a mean score of 75. Overall, what was the mean score for all students on the quiz?

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Definitions:

Lupus

A chronic autoimmune disease where the body's immune system becomes hyperactive and attacks normal, healthy tissue, leading to inflammation, pain, and damage in various parts of the body.

Multiple Sclerosis

A long-lasting autoimmune disorder that impacts the central nervous system, resulting in a range of physical and cognitive impairments.

Arthritis

A condition characterized by inflammation of the joints, causing pain and stiffness that typically worsens with age.

Adrenal Glands

Small glands located on top of each kidney that produce various hormones including adrenaline and cortisol, which help control blood sugar, burn protein and fat, react to stressors, and regulate blood pressure.