MATH 312 Lecture Notes - Lecture 10: Categorical Variable
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Chapter 29 introduction to statistics and sampling. Take a sample of 5 students from our class and fill in the table. {00, , 34} and use the table of random number to select five students: Take a cluster sample of five students by row: There is really no way to organize the colors. Measurement: data that can be measured, ordered, or operated on: deciding a proper item to measure when conducting a study is a very difficult and crucial task. Most often, studies include both categorical and numerical data. Give examples of measurement and categorical data in the following contexts: watching sports. Measurement: hours spent, number of different sports, money spent on tickets, final scores. Categorical: favorite sport, favorite team: swimming: Measurement: average strokes/lap, time spent under water, number of competitions, total meters/time.
