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JEE Main Statistics and Probability — practice questions — page 6

Explore 179 free Statistics and Probability questions in JEE Main Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Statistics and Probability questions and exercises with answers

Showing questions 151–179 of 179.

Fill the gaps on statisticsRead the answer and worked solution →Quick picks on statisticsRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →Measures of central tendency alone give information that is:Read the answer and worked solution →Besides central tendency, the other factor studied in statistics is:Read the answer and worked solution →A single number describing the variability of data is a measure of:Read the answer and worked solution →Which of these is listed as a measure of dispersion?Read the answer and worked solution →The range gives an idea of variability that is only:Read the answer and worked solution →The range does not tell about dispersion from a measure of:Read the answer and worked solution →The deviation of an observation x from a fixed value a is:Read the answer and worked solution →The sum of deviations of observations from their mean is always:Read the answer and worked solution →Because signs cancel, the sum of deviations from the mean may:Read the answer and worked solution →Mean deviation about the mean is described as not very:Read the answer and worked solution →Mean deviation is calculated using values of deviations that are:Read the answer and worked solution →Using absolute values means mean deviation cannot be given further:Read the answer and worked solution →The measure introduced to overcome the drawbacks of mean deviation is:Read the answer and worked solution →Mean deviation and standard deviation have the same units as the:Read the answer and worked solution →A measure of variability independent of units is the coefficient of:Read the answer and worked solution →The coefficient of variation is useful for comparing series measured in:Read the answer and worked solution →A larger range means the scores are more:Read the answer and worked solution →Standard deviation is a measure of:Read the answer and worked solution →True or false on statisticsRead the answer and worked solution →Quick picks on statisticsRead the answer and worked solution →Match each measure to its ideaRead the answer and worked solution →Central tendency or dispersionRead the answer and worked solution →Strength or weakness of the rangeRead the answer and worked solution →Why standard deviation was neededRead the answer and worked solution →Fill the gaps on statisticsRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Fill the gaps on statistics

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Missing parts
  1. Answer
    117
    Choices
    1. 117
    2. 127
    3. 107
  2. Answer
    14
    Choices
    1. 14
    2. 24
    3. 34
  3. Answer
    four
    Choices
    1. four
    2. five
    3. nine
  4. Answer
    mean
    Choices
    1. mean
    2. mode
    3. range
Complete the statement
Batsman A had a range of {0} and batsman B a range of {1}. There are {2} measures of dispersion, and C.V. is sigma over the {3}.
Instructions
Tap a word to drop it into the empty slot.
_Source: syllabus Mathematics, Ch 15 'Statistics'_

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Quick picks on statistics

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Questions
  1. Question
    The measure independent of units is the:
    Choices
    1. Coefficient of variation
    2. Range of the series
    3. Mean of the series
    Correct choice
    Coefficient of variation
  2. Question
    For grouped data each class is replaced by its:
    Choices
    1. End point
    2. Mid-point
    3. Max point
    Correct choice
    Mid-point
  3. Question
    A lesser C.V. means the series is more:
    Choices
    1. Variable
    2. Vulnerable
    3. Consistent
    Correct choice
    Consistent
  4. Question
    With an even count the median is the mean of the:
    Choices
    1. Two middle ones
    2. Two lowest ones
    3. Two highest ones
    Correct choice
    Two middle ones
Instructions
Tap the correct answer before the round moves on.
_Source: syllabus Mathematics, Ch 15 'Statistics'_

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Spot the one that does not fit

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Questions
  1. Items
    1. Mean
    2. Median
    3. Range
    4. Mode
    Odd item
    Range
  2. Items
    1. Range
    2. Quartile
    3. Mean deviation
    4. Mode
    Odd item
    Mode
  3. Items
    1. 117
    2. 14
    3. Scatter
    4. Median
    Odd item
    Median
Instructions
Tap the item that does not belong with the rest.
_Source: syllabus Mathematics, Ch 15 'Statistics'_

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