Two-Sample Procedures: Problem 54 A weight loss clinic promises that participant

Question

Two-Sample Procedures: Problem 54 A weight loss clinic promises that participants will lose weight, on average, after one month by following their diet plan. To test this claim, ten participants are weighed at the beginning of the month, then are subjected to the diet plan, and then are weighed again at the end of the month. The results are shown below (in pounds). What is the correct number of degrees of freedom for the dependent sample t-test? Assume the data is normally distributed Enter your answer as a whole number. Participant Before (B) After (A) Difference 10 212 245 156 184 198 178 193 172 265 234 201 231 149 178 185 166 185 158 256 224 11 14 7 6 13 12 8 14 9 10 degrees of freedom

Explanation / Answer

here as degree of freedom =number of pairs -1

cause toal number of pairs of above experiment =10

therefore degree of freedom = 10-1 =9

please revert

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