Statistics And Data Analysis Questions Practice Question and Answer

Q:

Runs scored by Rohit sharma in some 3 test Matches against Pakastian are as follows 101, 126, 32, 38, 52, and 40. Find median of the given scores.

1872 0

  • 1
    46
    Correct
    Wrong
  • 2
    46.5
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    47
    Correct
    Wrong
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Answer : 1. "46"

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"

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:

If the score of five students is 8,7,9,16,25, then their mean deviation will be.

1045 1

  • 1
    12
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    5.2
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 4. "6"

Q:

The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is

998 0

  • 1
    20
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    26
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 4. "28"

Q:

The value of P + Q in the following table is-

990 0

  • 1
    58
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    66
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 3. "66"

Q:

A set of data is given. The mean of the set is 35 while the median is set as 60. Find the mode of the data.

949 0

  • 1
    25
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    110
    Correct
    Wrong
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Answer : 4. "110"

Q:

In the following frequency table, the value of H will be

887 0

  • 1
    10
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 4. "2"

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