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Measures of Central Tendency — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsMeasures of Central Tendency6 Marks
Question
Direction Analyse the following case study graphs and answer questions (i) to (v) on the basis of the same.

  1. According to figure one, value of median is equal to .........
  1. 15
  2. 20
  3. 30
  4. 40
  1. Median can be located graphically using which of the following?
  1. Less than ogive.
  2. More than ogive.
  3. Both less than ogive and more than ogive together.
  4. All of the above.
  1. Which form of graphical presentation is used to locate mode?
  1. Histogram
  2. Bar graphs
  3. Cumulative curves
  4. Arithmetic line graphs
  1. According to figure two, the approxi- mate value of mode is equal to .........
  1. 25
  2. 35
  3. 45
  4. Can't be determined
  1. What will be the mean value in case 1?
  1. 10
  2. 15
  3. 25
  4. None of the above
✓

Answer

  1. (a) 15
Explanation:

The point where two ogive curves intersect gives us the median value on X - axis.
  1. (d) All of the above.
  1. (a) Histogram
  1. (b) 35
Explanation:

Mode value is located on X - axis at the intersection point of two adjacent bars alongside the highest bar.
  1. (d) None of the above
Explanation:

Mean cannot be located graphically, so the value of mean is indeterminate in this case.

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