A seat is to be designed for a public bus for adult Indian population. While designing, which option needs to be considered so that MOST of the relevant category population can sit on it comfortably?
Show Hint
Remember the golden rule of ergonomics: "Design clearances (like seat widths or door heights) for the maximum (95th percentile), and design reaches (like button placement or seat heights) for the minimum (5th or 50th percentile)."
Seat height is 95th percentile of sitting height and seat breadth is 5th percentile of hip breadth of adult population.
Seat height is 50th percentile of sitting height and seat breadth is 95th percentile of hip breadth of adult population.
Seat height is 5th percentile of sitting height and seat breadth is 5th percentile of hip breadth of adult population.
Seat height is 50th percentile of sitting height and seat breadth is 5th percentile of hip breadth of adult population.
Show Solution
The Correct Option isB
Solution and Explanation
Step 1: Choose seat height. Use the 50th percentile so an average user's feet reach the floor. Step 2: Choose seat breadth. Use the 95th percentile hip breadth so wide users still fit. \[ \boxed{\text{Option 2}} \]
