A Researcher Computes the Definitional Formula for SS,as Finds That

question 75

Multiple Choice

A researcher computes the definitional formula for SS,as finds that ∑(x-M) = 112.If this is a sample of 20 scores,then what would the value of population variance be using the computational formula?

• A)5.6
• B)5.9
• C)112
• D)not possible to know because the scores are not given

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Definitions:

Boxplot

A graphical representation of data points that displays the median, quartiles, and outliers of the dataset.

Mathematics Achievement

The level of proficiency and understanding a person has in mathematics, often measured through assessments or tests.

Ninth Graders

Students who are in the ninth grade, often the first year of high school in many education systems.

Scores

The numerical expression of an achievement or a performance, often used in games, exams, or competitions.