Chapter 11.1, 11.2
... with very different parameters can yield very similar predictions (so interpreting slopes as “if I change X by 1 unit, I will change Y by b units” may not be a good idea. ...
... with very different parameters can yield very similar predictions (so interpreting slopes as “if I change X by 1 unit, I will change Y by b units” may not be a good idea. ...
Distribution William Simpson 11th April 2014
... •We have a pile of scores •Have made stem-and-leaf, histogram •Want to summarise further: descriptive statistics ...
... •We have a pile of scores •Have made stem-and-leaf, histogram •Want to summarise further: descriptive statistics ...
Notes 9 - Wharton Statistics Department
... • Lurking variable: A variable that is associated with both average test score and student-teacher ratio. • In order to figure out whether a drop in studentteacher ratio causes higher test scores, we want to compare mean test scores among schools with different student-teacher ratios but the same va ...
... • Lurking variable: A variable that is associated with both average test score and student-teacher ratio. • In order to figure out whether a drop in studentteacher ratio causes higher test scores, we want to compare mean test scores among schools with different student-teacher ratios but the same va ...
Tutorial 8 - UniMAP Portal
... divide the set of values into seven equal width classes from 60 to 94. Calculate (a) the frequency distribution (table), (b) the mean, (c) the standard deviation. ...
... divide the set of values into seven equal width classes from 60 to 94. Calculate (a) the frequency distribution (table), (b) the mean, (c) the standard deviation. ...