What Is the Mean for the Population of Scores Shown $\begin{array}{cc}X & f \\\hline 5 & 1 \\4 & 2 \\3 & 3 \\2 & 4 \\1 & 2\end{array}$

question 27

Multiple Choice

What is the mean for the population of scores shown in the frequency distribution table? $\begin{array}{cc}X & f \\\hline 5 & 1 \\4 & 2 \\3 & 3 \\2 & 4 \\1 & 2\end{array}$

• A) \( 15 / 5=3 \)
• B) \( 15 / 12=1.25 \)
• C) \( 32 / 5=6.60 \)
• D) \( 32 / 12=2.67 \)

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Definitions:

Calories

Units of energy used to quantify the amount of energy provided by food and drinks, and the amount of energy expended through activities.

Cognitive Abilities

The mental capacities to learn, think, reason, solve problems, and adapt to new situations.

Language Comprehension

The ability to understand spoken, written, or signed language, interpreting words, sentences, and texts to derive meaning.

Neurogenesis

The process of generating new neurons in the brain, contributing to brain plasticity and function.