The median is the central value only when the data are?
Correct answer C. Arranged
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Statistics MCQs
Page 21 of Statistics multiple-choice questions with answers. Tap an option to check yourself.
Page 21 of 37
The harmonic mean cannot be calculated if any value in the data is?
Correct answer C. Zero
In a positively skewed distribution, the median is ____ than the mean. Which word fills the blank?
Correct answer B. Less
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What is the harmonic mean of two numbers a and b?
Correct answer A. 2ab/(a + b)
The sum of absolute deviations is least when taken from the?
Correct answer B. Median
What is the mode of the data 2, 4, 6, 6, 6, 8?
Correct answer D. 6
What is the arithmetic mean of 10, 8, 6, 4 and 2?
Correct answer B. 6
The coded (step-deviation) method of calculation is used for finding the?
Correct answer C. A.M.
If any value in the data is zero, which average cannot be calculated?
Correct answer B. H.M.
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What is the formula for the mode of grouped data?
Correct answer D. l + (fm − f1)/((fm − f1) + (fm − f2)) × h
Deciles divide data into parts each equal to 1/( ) of the total. What number fills the bracket?
Correct answer D. 10
Which empirical relation holds in a moderately skewed distribution?
Correct answer D. Mode = 3 median – 2 mean
Third quartile Q3 is equal to?
Correct answer D. None of these
The mean is a relatively ____ measure. Which word fills the blank?
Correct answer A. Stable
The ____ of deviations taken from the arithmetic mean is always zero. Which word fills the blank?
Correct answer A. Sum
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Median = Q2 = D5 = ?
Correct answer A. P50
If the smallest observation in a data set is decreased, which average remains unaffected?
Correct answer B. Median
The sum of squared deviations is least when measured from the?
Correct answer D. Mean
For a set of positive observations, which signs correctly complete ‘H.M. __ G.M. __ A.M.’?
Correct answer A. ≤ and ≤
What is the most frequently occurring value in a data set called?
Correct answer C. Mode