دسته بندی : پاورپوینت نوع فایل: ppt _ pptx ( قابلیت ویرایش ) قسمتی از اسلاید پاورپوینت : تعداد اسلاید : 49 صفحه Statistics From BSCS: Interaction of experiments and ideas, 2nd Edition.Prentice Hall, 1970 and Statistics for the Utterly Confused by Lloyd Jaisingh, McGraw-Hill, 2000 r2… is the fraction of the variation in the values of y that is explained by the least-squares regression line of y on x. Class Attendance Grades Example: If r2 = 0.61 in the graph to the left, this means that about 61% of one’s grade is accounted for by the linear relationship with attendance. The other 39% could be due to a multitude of factors.What is statistics? a branch of mathematics that provides techniques to analyze whether or not your data is significant (meaningful) Statistical applications are based on probability statements Nothing is “proved” with statistics Statistics are reported Statistics r …
