Statistics and Data Analysis Practice Question and Answer

Q:

The mode and median of the data 8, 6, 8, 7, 8, 6, 8, 7, 6 is

2130 0

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

Q:

The median of the number 14, 12, 12, 16, 13 and 18 is:

1898 0

  • 1
    13
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    14.5
    Correct
    Wrong
  • 4
    13.5
    Correct
    Wrong
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Answer : 4. "13.5"

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.

1705 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 distribution of fruit consumption in a sample of 72 seventeen – year – old girls is given in the graph below. Study the graph and answer the questions.

Distribution of Fruit Consumption

How many of these girls ate fewer than two servings per day? 

1155 0

  • 1
    15
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "25"

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?   

1133 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 distribution of fruit consumption in a sample of 72 seventeen – year – old girls is given in the graph below. Study the graph and answer the questions.

Distribution of Fruit Consumption

What percent of these girls ate six or more servings per day

941 0

  • 1
    12.5%
    Correct
    Wrong
  • 2
    13%
    Correct
    Wrong
  • 3
    10%
    Correct
    Wrong
  • 4
    11%
    Correct
    Wrong
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Answer : 1. "12.5%"

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Answer : 3. "23"

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

911 0

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

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