how a working calculation to get the answer   Eight subjects were weighed before and after a new three-week "healthy" diet. At the 0.05 level of significance, can it be concluded that a difference in weight resulted? (Weights are in pounds.). Is there enough evidence to support the claim? subject  A B C D E F G H before  148 185 176 170 194 155 167 184 after 151 189 169 171 189 153 168 177

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