Super Cola Sales Breakdown as 80% Regular Soda and 20

question 34

Short Answer

Super Cola sales breakdown as 80% regular soda and 20% diet soda.While 60% of the regular soda is purchased by men,only 30% of the diet soda is purchased by men.If a woman purchases Super Cola,what is the probability that it is a diet soda?

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Definitions:

Coefficient Alpha

A statistical measure used to assess the reliability or internal consistency of a test or scale.

Kuder-Richardson

A set of formulas used to assess the reliability of binary (e.g., true/false, yes/no) scored tests or items within tests.

Low Validity

refers to the situation where a test does not accurately measure what it is supposed to measure, indicating a weak relationship between test scores and the intended construct.

Item Characteristic Curve

A graphical representation that shows the probability of a respondent answering a test item correctly at different levels of ability.