Find the Standard Deviation of the Data Summarized in the Given

question 45

Multiple Choice

Find the standard deviation of the data summarized in the given frequency distribution.
-A weight of 220 pounds among a population having a mean weight of 161 pounds and a standard deviation of 23.5 pounds.

• A)2.5; unusual
• B)-2.5; not unusual
• C)58.8; unusual
• D)2.5; not unusual

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Definitions:

Qualitative Research

A research strategy focusing on understanding the nature of human behavior and the reasons that govern such behavior, utilizing methods like interviews and observations that provide depth and context.

Experimental Research

A systematic and scientific approach to research in which the researcher manipulates one or more variables, and controls and measures any change in other variables.

Difficulties

Challenges or obstacles that make it hard to achieve a goal or complete a task.

Correlated Variables

Two or more variables that are related in some way, where a change in one is often associated with a change in the other(s).