Q:

A household survey of 10 families was conducted by students of 4th year MBBS, Wah Medical College In the data they collected, the ages of heads of families were: 32, 34, 35, 36, 36, 42, 44, 46, 48, and 52. The mean age of heads of families is

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A household survey of 10 families was conducted by students of 4th year MBBS, Wah Medical College In the data they collected, the ages of heads of families were: 32, 34, 35, 36, 36, 42, 44, 46, 48, and 52. The mean age of heads of families is


  1. 36
  2. 38.5
  3. 40
  4. 40.5
  5. 42

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d) 40.5

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