Collaborative Filtering Is

question 84

Multiple Choice

Collaborative filtering is

• A) a process that automatically groups people with similar buying intentions, preferences, and behaviors and predicts future purchases.
• B) the two-way buyer-seller electronic communication in a computer-mediated environment in which the buyer controls the kind and amount of information received from the seller.
• C) the interactive, Internet-enabled system that allows individual customers to design their own products and services by answering a few questions and choosing from a menu of product or service attributes, prices, and delivery options.
• D) the consumer-initiated practice of generating content on a marketer's website that is custom-tailored to an individual's specific needs and preferences.
• E) an Internet-enabled digital environment characterized by face-to-screen exchange relationships and electronic images and offerings.

---

Definitions:

Test Statistic

A value calculated from sample data during a hypothesis test used to decide whether to reject the null hypothesis.

Kruskal-Wallis Test

A nonparametric test used to compare three or more groups based on ranks of data points rather than means or medians.

One-tail

One-tail refers to one-sided tests in hypothesis testing where the critical area of a distribution is one-sided, either to the right or left, focusing on a specific direction of interest.

Two-tail

A term used in statistical tests where the critical region is split between both ends of the distribution, testing for either significantly greater or lesser outcomes than the expected value.