What is the number of pairs of data in this study

Reference no: EM133651044

Question: A study is conducted to evaluate the effectiveness of a weight loss program. A group of 20 participants undergoes the program, and their weights are recorded before and after completing the program. The table below shows the weights (in kilograms) of a sample of five participants: Participant Before (kg) After (kg) 1 80 75 2 65 62 3 72 70 4 68 67 5 90 85 What is the number of pairs of data in this study?

Reference no: EM133651044

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