The Frequency Distribution Below Shows the Monthly Expenditure on Gasoline

question 68

Essay

The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals. $$\begin{array} { l l } \text { Expenditure } & \text { Frequency } \\55 - 59 & 2 \\60 - 64 & 3 \\65 - 69 & 4 \\70 - 74 & 3 \\75 - 79 & 2\end{array}$$ ​
a.
Compute the mean.
b.
Compute the standard deviation.

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Definitions:

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by fast eye movements, low muscle tone, and vivid dreams.

Consciousness

A state where an individual is conscious of their own life, senses, thoughts, environment, and experiences.

Self-Awareness

The conscious knowledge of one's own character, feelings, motives, and desires.

Mental Processes

Operations of the mind, including thought, perception, memory, and decision-making.