A factory produced an average of 2,500 units a month for the first 8 months and 1,200 units a month for the next 4 months. What was the average monthly production for the year?
Correct answer D. 2066.67 units
Subject / 721 questions
Statistics MCQs
Page 33 of Statistics multiple-choice questions with answers. Tap an option to check yourself.
Page 33 of 37
What values can a continuous variable take?
Correct answer B. All possible
In a frequency distribution where the last cumulative frequency is 500, where does Q3 lie?
Correct answer C. 375th item
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What type of data do measurements usually produce?
Correct answer B. Continuous
Which average can have more than one value?
Correct answer C. Mode
Data used by an agency that originally collected them itself are what type of data?
Correct answer D. Primary
The 2nd quartile, 5th decile and 50th percentile are all equal to which measure?
Correct answer B. Median
For what time span do statistical laws hold true?
Correct answer C. Long run
Which average cannot be computed if any value in the data set is zero?
Correct answer D. Harmonic Mean
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Which of these can never be negative?
Correct answer E. Geometric Mean
Over what period are statistical laws valid?
Correct answer A. Long run
What is the geometric mean of -2, 4, 3, 6 and 0?
Correct answer B. Cannot be Computed
In how many senses is the word statistics used today?
Correct answer C. Three ways
If each value of a variable is increased by 10%, by how much does the geometric mean increase?
Correct answer A. 10%
What is a characteristic that does not change called?
Correct answer A. Constant
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Which averages are not based on all the values in a data set?
Correct answer E. Both C and D
Who first used the word statistics, during a lecture at a German university?
Correct answer B. Achenwall
What is the geometric mean of X1 and X2?
Correct answer C. √(X1 × X2)
Which branch of statistics deals with the collection, presentation and analysis of data?
Correct answer A. Descriptive
Which average is affected by extreme (very small or very large) values in a data set?
Correct answer B. Arithmetic Mean