In: Statistics and Probability
1. Suppose we have two sets of prediction for the inflation rate for next year: one from a random sample of Fortune 500 firms and another from a random sample of university economists. At 0.05 level can it be claimed that on the average university educators are predicting a higher inflation rate for next year than the major private businesses?
Fortune 500 Firms |
4.3% |
3.8% |
6.0% |
4.4% |
5.1% |
5.6% |
4.2% |
6.1% |
4.5% |
4.0% |
University Economists |
4.4% |
5.9% |
7.0% |
5.1% |
5.9% |
7.2% |
6.3% |
Show the equation for computing the standard error.