The group of points labelled T called is called a positive linear line.
R is called an outlier.
R might exist because of an error collected wrongly.
As the number of hours practiced each week increases, the number of pieces a student can play increases.
What is an outlier?
An outlier is a number that is way smaller or way larger than that of other numbers in a data set. A positive linear line is when variables are positively related. As one of the variables increases, the other variable increases.
To learn more about outliers, please check: https://brainly.com/question/27197311
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