Class 9 Online Courses

Grade 9 Math MCQs - Chapter 5

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## Chapter 5 MCQs: Basic Statistics Questions and Answers

MCQ: 3rd quartile is also known as

A) lower quartile
B) upper quartile
C) median
D) geometric mean

MCQ: The monthly income of 5 persons are 3000, 5000, 4000, 2000 and 6000. Their arithmetic mean should be

A) 4000
B) 6000
C) 5000
D) 3500

MCQ: The positive square root of the mean of the squared deviations of the values from their mean is known as

A) standard deviation
B) median
C) variance
D) harmonic mean

MCQ: The harmonic mean of 3, 4 and 8 is

A) 3.43
B) 3
C) 4
D) 8

MCQ: The geometric mean of 2, 4 and 8 is

A) 3
B) 5
C) 2
D) 4

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