Perform a test that will compare all 4 means at once

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Reference no: EM13753350

Question:

a. Test whether the four means are equal at the 5% level of significance

b. Perform a test that will compare all 4 means at once

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: EM13753350

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