Statistical Description of DataPYQ Sep 24Question 2715 of 295
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The distribution of commuters coming to a Metro station from early morning hours to peak morning hours follows which type of frequency curve?

Options

AJ-shaped curve
BBell-shaped curve
CU-shaped curve
DMixed Curve
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Correct Answer

✅ Option a — J-shaped curve

All Options:

  • AJ-shaped curve
  • BBell-shaped curve
  • CU-shaped curve
  • DMixed Curve

Detailed Solution & Explanation

To determine the shape of the frequency curve, we examine the behavior of commuter traffic over time from early morning to peak morning hours: 1. In the early morning hours (e.g., 4:00 AM - 6:00 AM), the number of commuters is at a minimum because most offices and schools are closed. 2. As the morning progresses (e.g., 7:00 AM - 9:00 AM), the traffic increases steadily as people head to work and school. 3. During the peak morning hours (e.g., 9:00 AM - 10:00 AM), the number of commuters reaches its absolute maximum. If we plot time on the horizontal axis and the frequency of commuters on the vertical axis, the curve starts at a very low frequency and rises continuously and steeply, reaching its maximum at the right extremity. A curve that starts at a minimum and increases continuously to a maximum is called a **J-shaped curve**. Hence, **Option A** is the correct answer.

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