A Disadvantage of Using Grouping (A Frequency Table)with Sample Data

question 9

Multiple Choice

A disadvantage of using grouping (a frequency table) with sample data is that

• A)calculations involving central tendency and variation are more complicated than central tendency and variation calculations based on ungrouped data.
• B)the descriptive statistics are less precise than the descriptive statistics obtained using ungrouped data.
• C)the interpretation of the grouped data descriptive statistics is meaningless.
• D)it is much more difficult to summarize the information than it is with the ungrouped data.
• E)it is more difficult to interpret a pie chart.

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Definitions:

Spinal Cord

A vital part of the central nervous system, the spinal cord is a long, thin, tubular structure made of nervous tissue, which extends from the brain and is encased within the vertebral column, responsible for sending messages between the brain and the rest of the body.

Hormones

Biological molecules produced by glands that regulate bodily functions and behavior by traveling through the bloodstream to target organs.

Neurons

Nerve cells that transmit information throughout the body and brain, serving as the building blocks of the nervous system.

Reticular Formation

A structure in the brainstem that plays a crucial role in arousal and attention and that screens sensory messages entering the brain.