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7. A sTudy wishes To see if a person's daily caffeine (in mg) inTake will change if The person changes Their workouT rouTine. Six subjecTs'

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7. A sTudy wishes To see if a person's daily caffeine (in mg) inTake will change if The person changes Their workouT rouTine. Six subjecTs' daily caffeine inTake was recorded, and Then They Took on a new workouT rouTine for a 4-week period. The resulTs are shown in The Table. Assume The variable is approximaTely normally disTribuTed. SUBJECT 1 l 2 3 4 5 6 Before 210 235 208 190 172 244 (II ) AfTer 190 170 210 188 173 228 (x2) Can iT be concluded ThaT The daily caffeine inTake has been lowered? - STep 1 - Find a 98% confidence inTerval and wriTe The calculaTor inpuTs you use: - STep 2 - Find The margin of error: . STep 3 - InTerpreT The confidence inTerval in a senTence: - STep 4 - Summarize The resulTs (TesTing The claim)

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