Question

multiple choice question
when researchers talk about a mean, they are referring to ______.
○ the portion of 100
○ the midpoint that divides a series of values into two groups of equal numbers of values
○ the single most occurring value in a series of values
○ an average that is calculated by adding a series of values, then dividing by the number of values
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Explanation:

• "The portion of 100" describes a percentage, not a mean.
• The midpoint splitting values into two equal groups is the median, not the mean.
• The most frequently occurring value is the mode, not the mean.
• The mean is defined as the average calculated by summing all values and dividing by the count of values.

Answer:

an average that is calculated by adding a series of values, then dividing by the number of values