In the Calculation of the Arithmetic Mean for Grouped Data

question 89

Multiple Choice

In the calculation of the arithmetic mean for grouped data, which value is used to represent all the values in a particular class?

• A) The upper limit of the class
• B) The lower limit of the class
• C) The frequency of the class
• D) The cumulative frequency preceding the class
• E) The midpoint of the class

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Definitions:

Formula Cooling

The process of bringing the temperature of a liquid infant formula down to a safe and comfortable level for feeding.

Food Coloring

Dyes or pigments used to change the color of food and drinks for aesthetics, with some concern about health impacts.

Nasogastric (NG) Tube Insertion

The placement of a flexible tube through the nose, down the esophagus and into the stomach, for feeding, medication delivery, or gastric decompression.

Oil-Based Lubricant

A lubricant consisting of oil, used to reduce friction between moving surfaces or parts, often used in medical procedures or personal care products.