Anew microbrewery has opened in southern Ontario. The aim is to produce an English-style ale adapted to Canadian tastes. While developing the beer recipe, the company periodically asked a panel of beer drinkers to rate the beer, on a scale of 1 to 5, where 1 is excellent and 5 is undrinkable. The ratings for one taste test are shown below in Exhibit 9.46.
At the 5% level of significance, is there evidence of a difference in ratings for the two beer recipes?
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