Use the 7 step method (or the 5 step method) The sales in millions of dollars for a year of a sample of leading companies are shown. At α = 0.01, is there a significant difference in the means? Cereal Chocolate Candy Coffee 469 115 180 252 118 287 313 271 615 283 251 515 547 291

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  • Use the 7 step method (or the 5 step method) The sales in millions of dollars for a year of a sample of leading companies are shown. At α = 0.01, is there a significant difference in the means?

Cereal

Chocolate Candy

Coffee

469

115

180

252

118

287

313

271

615

283

251

515

547

291

 

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