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Indian Navy 10+2 B.Tech Cadet Statistics — practice questions — page 2

Explore 36 free Statistics questions in Indian Navy 10+2 B.Tech Cadet Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Statistics questions and exercises with answers

Showing questions 31–36 of 36.

Trace how trigonometry travelledRead the answer and worked solution →True or false: the historical noteRead the answer and worked solution →Match each average to its meaningRead the answer and worked solution →Key in the statisticRead the answer and worked solution →Tap every measure of central tendencyRead the answer and worked solution →Which one does NOT belong?Read the answer and worked solution →

Worked practice questions

Trace how trigonometry travelled

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Steps
  1. The study of trigonometry begins in India
  2. Indian results pass to Arabia
  3. From Arabia the knowledge reaches Europe
  4. The Indian approach is adopted worldwide
syllabus records that the study of trigonometry began in India, passed to Arabia, and reached Europe from there. Source: syllabus Maths Part I, Ch 2 Inverse Trigonometric Functions.

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True or false: the historical note

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Questions
  1. Statement is true
    Yes
    Statement
    The study of trigonometry was first started in India.
  2. Statement is true
    Yes
    Statement
    The sine function reached mathematics through the siddhantas.
  3. Statement is true
    Yes
    Statement
    Trigonometry passed from India to Arabia and then to Europe.
  4. Statement is true
    No
    Statement
    The Greeks never studied trigonometry at all.
  5. Statement is true
    Yes
    Statement
    sin⁻¹ is also called the arc sine function.
Straight from the Historical Note. Source: syllabus Maths Part I, Ch 2 Inverse Trigonometric Functions.

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Match each average to its meaning

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Matching pairs
  1. Left
    Mean
    Right
    Sum of the values over how many there are
  2. Left
    Median
    Right
    The middle value once they are sorted
  3. Left
    Mode
    Right
    The value that occurs most often
  4. Left
    Class mark
    Right
    The midpoint of a class interval
Instructions
Tap a measure on the left, then tap what it means.
_Source: syllabus Maths Ch13 Statistics, 13.2 Mean of Grouped Data_

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SequencesBinomial TheoremGeometryProbability & StatisticsSequences and SeriesVectors & 3D GeometryPermutations and CombinationsLinear Programming