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A medical researcher wishes to see if he can lower the cholesterol levels through diet in 6 people by showing a film about the effects

A medical researcher wishes to see if he can lower the cholesterol levels through diet in 6 people by showing a film about the effects of high cholesterol levels. The data are shown. At?= 0.05, did the cholesterol level decrease on average?

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Patient 2 3 4 6 Before 243 216 214 222 206 219 After 215 202 198 195 204 213

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