(a) Conduct a hypothesis test using a=0.05 to determine whether the men serving temperature of a cup of coffee is the same at Starbucks, McDonalds, and dunkin Donuts.
Every day for an entire week, a cup of coffee was purchased at Starbucks, McDonalds, and Dunkin Donuts. The tempurature (in F) was determined immediately after the cup of coffee was served. The following table contains the sample results.
Establishment Serving Temperature (in F) of Cup of Coffee
Starbucks 173 168 172 174 171 172 170
McDonalds 179 181 180 182 177 184 178
Dunkin Donuts 176 168 164 170 172 169 165
(a) Conduct a hypothesis test using a=0.05 to determine whether the men serving temperature of a cup of coffee is the same at Starbucks, McDonalds, and dunkin Donuts.
(b) Use the sample data collected from above to construct all pairwise comparison confidence
Please no excel.
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