This is perhaps the most vital tool for economists, allowing them to predict one variable based on the behavior of others. The Value of the Digital Format
If your professor allows it (ask first!), you can buy a used international edition or a previous edition (e.g., 7th or 8th) on AbeBooks or BetterWorldBooks for . The statistical concepts—mean, regression, hypothesis testing—do not change. Only the examples and problem sets change. If your professor writes their own homework, an older edition works perfectly. paul newbold statistics for business and economics pdf