Inferential Statistics
Practice 1
| Location | Production Rank | Profit Rank | ||
| Germany | 2 | 1 | ||
| France | 3 | 2 | ||
| Spain | 4 | 3 | ||
| UK | 5 | 4 | ||
| Switzerland | 1 | 5 | ||
| Italy | 6 | 6 | ||
| A company wanted to know if production rank was related to | ||||
| profit rank by location. |
ANSWER Practice 1
| Location | Production Rank | Profit Rank | Production Rank | Profit Rank | ||
| Germany | 2 | 1 | Production Rank | 1 | ||
| France | 3 | 2 | Profit Rank | 0.4285714286 | 1 | |
| Spain | 4 | 3 | ||||
| UK | 5 | 4 | ||||
| Switzerland | 1 | 5 | ||||
| Italy | 6 | 6 | ||||
| ANSWER: There is no relationship between production rank and profit rank, | ||||||
| (rs [6] = .43, p > .05) | ||||||
| A company wanted to know if production rank was related to | ||||||
| profit rank by location. |
Practice 2
| Players | Rank in batting avg | Rank in homeruns | |
| Williams | 1 | 2 | |
| Ruth | 6 | 1 | |
| Rose | 5 | 5 | |
| Suzuki | 2 | 6 | |
| Cabrerra | 3 | 3 | |
| Votto | 4 | 4 | |
| A manager wanted to know if there was a | |||
| relationship in rank of batting average and | |||
| rank of homeruns in order to make decisions | |||
| about trades. |
ANSWER Practice 2
| Players | Rank in batting avg | Rank in homeruns | Rank in batting avg | Rank in homeruns | ||
| Williams | 1 | 2 | Rank in batting avg | 1 | ||
| Ruth | 6 | 1 | Rank in homeruns | -0.2 | 1 | |
| Rose | 5 | 5 | ||||
| Suzuki | 2 | 6 | ||||
| Cabrerra | 3 | 3 | ||||
| Votto | 4 | 4 | Based on the sample, there was no relationship between | |||
| rank in batting average and rank in homeruns, (rs [6] = 0.2, p > .05). | ||||||
| A manager wanted to know if there was a | ||||||
| relationship in rank of batting average and | ||||||
| rank of homeruns in order to make decisions | ||||||
| about trades. |