The average weight of a family of five members whose weights are 40 kg, 49 kg,…
2026
The average weight of a family of five members whose weights are 40 kg, 49 kg, 57 kg, 77 kg and 35 kg is:
- A.
51.6 kg
- B.
53.6 kg
- C.
50.6 kg
- D.
52.6 kg
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Show answer & explanation
Correct answer: A
Step 1: Calculate the sum of all observations.
Sum of the weights of all five family members = 40 + 49 + 57 + 77 + 35 = 258 kg.
Step 2: Calculate the average.
Divide the total weight by the number of members (5) to find the average:
Average = 258 / 5 = 51.6 kg.
Final Answer: Option 1