BIT 2405 Lecture Notes - Lecture 1: Categorical Variable, Standard Deviation, Negative Number
30 Jan 2020
School
Department
Course
Professor
Document Summary
Install lockdown browser for hawkes: recorded lectures, work recommended problems, take quizzes, work test review problems, follow course calendar. Lessons recommended problems test review problems. Interval numerical values on an artificial scale without a true zero: golf score in relation to par. Interval: sat score, ratio, rating from 1 to 5 of quality of service in a restaurant, ordinal, make and model of a vehicle, nominal, the number of students with a business major, ratio. Chapter 4 numerical descriptive statistics: mean, median, mode, range, standard deviation, variance, z-scores, chebyshev"s theorem, empirical rule. Example problem: a high school math teacher summarized the 35 math sat scores for the students in her calculus class. The mean for the class was 521 and the median was 535. 235 and the highest score in the entire class was 675. Example problem many firms use on-the-job training to teach their employees computer programming.
