Using the Following Frequency Distribution, Find the Variance A) 1804
B) 197

question 70

Multiple Choice

Using the following frequency distribution, find the variance.
$\begin{array}{|l|l|}\hline \text { Temperature } & \text { Frequency } \\\hline 28.5-31.5 & 1 \\\hline 31.5-34.5 & 3 \\\hline 34.5-37.5 & 6 \\\hline 37.5-40.5 & 10 \\\hline 40.5-43.5 & 8 \\\hline 43.5-46.5 & 7 \\\hline\end{array}$

• A) 180.4
• B) 197.3
• C) 192.6
• D) 183.2

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Definitions:

Perceptual Abilities

The capacity to interpret and make sense of sensory information from the environment, such as visual, auditory, and tactile inputs, enabling individuals to understand and interact with the world around them.

Intellectual Abilities

The capacity to engage in abstract thinking, understanding complex ideas, reasoning, and problem-solving, often considered as part of cognitive abilities.

Signal Detection

A technique used to determine the ability to differentiate between information-bearing patterns and random patterns that distract from the information.

Yea-Sayers

Individuals who have a tendency to agree with statements or questions, often affecting the validity of survey or psychological test results.