Tag: Mathematics

Calculus: Derivatives and Differentiation
Overview of topic: Differentiation: a technique for measuring the slope at a curve at any point. Newton and Leibniz in the seventeenth century not only defined the slope of the curve at any point as being the slope of the tangent to the curve at that point, but also showed…

4Step Hypothesis Question & Answers
A researcher wishes to test the claim that the average cost of tuition and fees at a fouryear public college is greater than $5700. She selects a random sample of 25 four year public colleges and finds the mean to be $5950. The population standard deviation is $659. Is there…

OLS Regression STATA Output
Consider the following estimation from Microfit: Ordinary Least Squares Estimation Dependent variable is LC (49 observations) used for estimation from (19501998): LC: Log of real customers expenditure in 1995 prices. LY: Log of real personal disposable income in 1995 prices. LP: Log of the consumer price index. a) Briefly…

2nd Worksheet OLS Results Analysis
Consider the second OLS results for a Lgpa model in which international student, ATAR, Exam night study time, study time, exam night study time squared and a constant. Number of jobs = 924 F (6, 924) = 81.21 Prob > F = 0.000 R squared = 0.2103 Adjusted R squared…

Worksheet OLS Results Analysis
Consider the following OLS results for a wage model in which education, tenure, tenure squared, experience, experience squared and a dummy variable equal to 1 if the individual is a female and zero otherwise are the explanatory variables: Number of jobs = 526 F (6, 519) = 68.18 Prob >…