A 1948 study in Biometrika investigated the effects of several different diets on the weight of chickens. In this study, chickens were randomly assigned to one of several different groups, and each group of chickens received a different type of feed. The data provided represent a subset of data from this study and show the weights (in grams) of chickens receiving the casein, linseed, and sunflower feeds.
Click to download the data in your preferred format.
Use software to conduct an analysis of variance (ANOVA) ?‑test to test the claim that the mean weights of chickens receiving casein, linseed, and sunflower are equal. What are the ?‑statistic and ?‑value for this test? Please round your ?‑statistic to the nearest two decimal places and your ?‑value to the nearest five decimal places. I DO NOT KNOW HOW TO USE EXCEL
F- Statistic :
P Value:
| weight | feed |
| 309 | 2 |
| 229 | 2 |
| 181 | 2 |
| 141 | 2 |
| 260 | 2 |
| 203 | 2 |
| 148 | 2 |
| 169 | 2 |
| 213 | 2 |
| 257 | 2 |
| 244 | 2 |
| 271 | 2 |
| 423 | 3 |
| 340 | 3 |
| 392 | 3 |
| 339 | 3 |
| 341 | 3 |
| 226 | 3 |
| 320 | 3 |
| 295 | 3 |
| 334 | 3 |
| 322 | 3 |
| 297 | 3 |
| 318 | 3 |
| 368 | 1 |
| 390 | 1 |
| 379 | 1 |
| 260 | 1 |
| 404 | 1 |
| 318 | 1 |
| 352 | 1 |
| 359 | 1 |
| 216 | 1 |
| 222 | 1 |
| 283 | 1 |
| 332 | 1 |
The ANOVA table for the above data is
Source
DF
SS
MS
F P
feed 2
92621 46310
14.99 0.000
Error 33
101918 3088
Total 35 194539
F-statistics: 14.99
P-value: 0.0001
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