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1. Due to his high blood pressure, Sam watches the sodium content of the foods that he eats. Ten samples for each of four brands of canned turkey (97% fat free) were tested for sodium content, measured in milligrams of sodium per 2-ounce serving.
brand1 brand 2 brand 3
250 175 175
251 185 180
260 175 180
255 180 170
245 165 190
249 173 183
258 182 174
246 191 172
247 179 177
249 178 183
a. State the null & alternate hypotheses
b. Use SPSS to construct the ANOVA table for this experiment
c. Do the data provide sufficient evidence to indicate difference in the average sodium content for the four brands at 0.05 level? Justify your conclusion.
d. Construct means plot.
e. Discuss the use of multiple comparisons in this problem as well as which brand, if any, are statistically significantly different from one other after adjustment.
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