Research indicates that “clustering” occurs when athletes in certain sports:Group of answer choicesAre over-represented in specific courses and majors that are perceived to be easier and less demandingSit together in their classesGet the same grades even when they take different coursesJoin the same fraternities/sororities

The following is a result from R  when running  k-means on a particular dataset on 620 high school students with attributes regarding their grades on English, Math and Science. Based on this result, to which cluster does a student belong whose grade for English, Math and Science are 90, 81 and 88 respectively?Cluster 1Cluster 3Cluster 2Cannot be determined

Schools—the very institutions that are supposed to help level the playing field for students with different backgrounds—paradoxically sort students based on those same backgrounds. How does this paradox come to be in the United States?Group of answer choicesStudents naturally group themselves into cliques of students with similar backgrounds.Within a school, students are sorted into different academic tracks.Students with different aptitudes are assigned to different high schools.Students are sorted at graduation based on grades and SAT scores.

One of the most common reasons why kids play sports is to be with friends. This is known as:Group of answer choicesThe affiliation motiveThe friendship motiveThe cognitive evaluation theoryPerceived competence theory PreviousNext

Explain the concept of hierarchical clustering. Compare and contrastagglomerative and divisive hierarchical clustering. Discuss theapplications of hierarchical clustering in real-world situations.

Which of the following is NOT a type of clustering?  Answer areaHierarchical clusteringDensity-based clusteringAgglomerative clusteringDecision tree clustering