Specialized Magazines That Give Product Reviews on Such Products as Cameras

question 139

Multiple Choice

Specialized magazines that give product reviews on such products as cameras, stereo equipment, cars, and computers exist because of

• A)single-minded people.
• B)poor-quality products.
• C)product differentiation.
• D)greed.
• E)hobbyists.

---

Definitions:

Ordinal Data

Refers to a type of data in statistics that represents categories with a meaningful order, but the differences between the categories cannot be quantified.

Interval Data

A type of numerical data in which the intervals between each value are equally split, but there is no true zero point.

Spearman's Rank-Correlation

A nonparametric measure of rank correlation that assesses the strength and direction of association between two ranked variables.

Correlation Coefficient

A measure that determines the degree to which two variables' movements are associated, ranging from -1 to 1.