the molecules of water (H2O) and mathane (CH4) have similar masses, but methane changes from a gas to a liquid at- 161 degrees celcius. water becomes […]
Consider the regression model: testscore=β1+β2IQ+β3male+β4(IQ×male)+u where, testscore = students’ test score IQ = student’s IQ male = 1 if student is male, = 0 if student is female Based on […]