Statistics And Data Analysis Questions Practice Question and Answer

Q:

The heights of Arun’s family members are given in cm’s as 165, 180, 181, 163, 172, 180, 162 The median height of the family will be

1082 0

  • 1
    172
    Correct
    Wrong
  • 2
    170
    Correct
    Wrong
  • 3
    131
    Correct
    Wrong
  • 4
    167
    Correct
    Wrong
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Answer : 1. "172"

Q:

The mean of four different observations is 17.5. When a new observation whose value 20 is added, what will be the new mean?   

1295 0

  • 1
    18
    Correct
    Wrong
  • 2
    17.5
    Correct
    Wrong
  • 3
    19
    Correct
    Wrong
  • 4
    18.5
    Correct
    Wrong
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Answer : 1. "18"

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