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Consider the sample data for plants a b c & d of the above

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Consider the sample data for plants A, B, C & D of the above company, which are tabulated in table 1. Test whether the four means are equal at the 5% level of significance. Perform a test that will compare all 4 means at once. We are not interested in pair-wise comparisons at this stage. Please show all the steps in your calculations. Table 1: 

A B C D 

333 328 320 333 

332 329 321 321 

320 323 322 329 

326 327 325 330 

328 330 326 328 

325 331 328 325 

323 332 329 333 

321 320 330 331 

334 324 331 327 

322 323 332 

320 334 

329 

330 

328 

331 

330

Reference no: EM13509126

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