A Cluster Rarely Contains More Than 10 Galaxies

question 68

True/False

A cluster rarely contains more than 10 galaxies.

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Definitions:

Between-Treatments Variation

The variability in data that is observed between the different groups or conditions in an experiment, helping to determine if there are significant differences caused by the treatment or intervention.

SST

Sum of Squares Total, a measure used in statistical analysis to quantify the total variance in a dataset.

Randomized Block Design

A statistical experiment design for comparing treatments by randomly assigning them within defined blocks to reduce variation.

Matched Pairs Experiment

A statistical experiment design in which subjects are paired based on certain characteristics, and then alterations are made to only one member of each pair for comparing outcomes.