veggieprices
14. Vegetable Prices. Is there a difference in the mean price of vegetables from year to year? The table contains the price per pound (in dollars) for six different vegetables in June 2012, June 2013, and June 2014. Test, using the randomized block design at level of significance , whether the population mean price is the same for all three years.
| 2012 | 2013 | 2014 | |
|---|---|---|---|
| Beans | 1.44 | 1.40 | 1.48 |
| Broccoli | 1.68 | 1.73 | 1.77 |
| Lettuce | 0.90 | 0.93 | 1.12 |
| Sweet Peppers | 2.45 | 2.17 | 2.59 |
| Potatoes | 0.68 | 0.65 | 0.69 |
| Tomatoes | 1.49 | 1.47 | 1.68 |