A marketing manager tested the benefit of soft drinks for curing hangovers. He took 15 people and

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A marketing manager tested the benefit of soft drinks for curing hangovers. He took 15 people and got them drunk. The next morning as they awoke, dehydrated and feeling as though they’d licked a camel’s sandy feet clean with their tongue, he gave five of them water to drink, five of them Lucozade (a very nice glucose-based UK drink) and the remaining five a leading brand of cola (this variable is called drink). He measured how well they felt (on a scale from 0 = I feel like death to 10 = I feel really full of beans and healthy) two hours later (this variable is called well). He measured how drunk the person got the night before on a scale of 0 = straight edge to 10 = flapping about like a haddock out of water (hangover.sav). Fit a model to see whether people felt better after different drinks when adjusting for how drunk they were the night before.

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