What Does the Sum of the Frequencies for All Classes

question 74

Multiple Choice

What does the sum of the frequencies for all classes always equal?

• A) the number of classes
• B) the class width
• C) the total number of observations in the data set
• D) one

---

Definitions:

Chronic Glomerular Nephritis

A kidney condition characterized by long-term inflammation and damage to the glomeruli, affecting filtering capacity.

Ureter

A tube carrying urine from the kidney to the urinary bladder.

Kidney

A vital organ in the body responsible for filtering waste products from the blood and excreting them through urine, regulating fluid and electrolyte balance.

Bladder

A hollow muscular organ in the lower abdomen that stores urine from the kidneys before it is excreted through the urethra.