Problem 105
/11 Exercises 99-106, use the formula ill Exercise 98to detennine the a11gle betwee11 the vectors u a11d v. 105. u = [-~] and v =
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● Data ○ The facts and figures collected,analyzed, and summarized for presentation and interpretation. ○ cases are the objects described by a set of data. ○ label is a special variable used in some data sets to distinguish the different cases. ○ variable is any characteristic of an individual or object. ■ Categorical variable (factor)a case into one of several groups or categories ■ Quantitative variable numerical values ● Discrete countable set of values ● Continuous values within some interval ● Types of data ○ P
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Chapter 6.1, Problem 105 is Solved
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