group of eight individuals were given a one-month diet recipe that was designed to help them to lose weight. Weight, in pounds, were measured before and after diet for each individual, with the following results: Individual 1 2 3 4 5 6 7 8 Before 283 260 262 248 205 278 283 285 After 251 242 248 220 181 261 268 260 Find sample mean of differences in mean weight loss before and after diet for the group.

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A group of eight individuals were given a one-month diet recipe that was designed to help them to lose weight. Weight, in pounds, were measured before and after diet for each individual, with the following results:

Individual 1 2 3 4 5 6 7 8
Before 283 260 262 248 205 278 283 285
After 251 242 248 220 181 261 268 260

Find sample mean of differences in mean weight loss before and after diet for the group.

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