Stats exam 1 stuvia - Study guides, Class notes & Summaries

stats 260 final – Casselman Exam Questions and Answers Y is also known as? - ANSWER-the responsible variable X is also known as? - ANSWER-the explanatory variable what are the 3 properties of the "least squares" regression? - ANSWER-1) always sums to 0 2) the "least squares" line produces smaller "sum of squared residuals" than any other straight line can 3) the line always passes through point (X bar, Y bar) for the P value, if it's greater than .05, is it useful? ...

A table or listing that shows values and how many times each value occurs is: - ANSWERFrequency distribution What is the simplest, most fundamental level of measurement? - ANSWERNominal Students are given grades of A, B, C, D, or F on their homework assignments. The use of letter grades would be an example of what level of measurement? - ANSWEROrdinal The scale of measurement that assumes there is an underlying scale of equal units, but without an absolute zero point, is the ______ scal...