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Statistics MCQs on Basic Statistics

Question 1: The mean of a distribution is 14 and the standarddeviation is 5. What is the value of the coe�cient of variation?

A) 60.4%B) 48.3%C) 35.7%D) 27.8%

Question 2: The mean of a distribution is 23, the median is24, and the mode is 25.5. It is most likely that this distributionis:

A) Positively SkewedB) SymmetricalC) AsymptoticD) Negatively Skewed

Question 3: Which of the following describe the middle partof a group of numbers?

A) Measure of VariabilityB) Measure of Central TendencyC) Measure of AssociationD) Measure of Shape

Question 4: According to the empirical rule, approximatelywhat percent of the data should lie within µ± σ?

A) 75%B) 68%C) 99.7%D) 90%E) 95%

Question 5: The sum of the deviations about the mean isalways:

A) RangeB) ZeroC) Total Standard DeviationD) Positive

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Statistics MCQs on Basic Statistics

E) Negative

Question 6: The middle value of an ordered array of numbersis the

A) ModeB) MeanC) MedianD) Mid Point

Question 7: Which of the following is not a measure of centraltendency?

A) PercentileB) QuartileC) Standard deviationD) Mode

Question 8: Which of the following divides a group of datainto four subgroups?

A) PercentilesB) DecilesC) MedianD) QuartilesE) Standard Deviation

Question 9: If the standard deviation of a population is 9, thepopulation variance is:

A) 9B) 3C) 21D) 81

Question 10: If a distribution is abnormally tall and peaked,then is can be said that the distribution is:

A) leptokurticB) pyrokurticC) platykurticD) mesokurtic

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Statistics MCQs on Basic Statistics

Question 11: Sum of dots when two dice are rolled is

A) a discrete variableB) a continuous variableC) a constantD) a qualitative variable

Question 12: The weights of students in a college/school is a

A) Discrete VariableB) Continuous VariableC) Qualitative VariableD) None of these

Question 13: The number of accidents in a city during 2010 is

A) Discrete variableB) Continuous variableC) Qualitative variableD) Constant

Question 14: Which of these represent qualitative data

A) Height of a studentB) Liking or disliking of (500) persons of a productC) Income of a government servant in a cityD) Yield from a wheat plot

Question 15: Life of a T.V picture tube is a

A) Discrete variableB) Continuous variableC) Qualitative variableD) Constant

Question 16: The �rst hand and unorganized form of data iscalled

A) Secondary dataB) Organized dataC) Primary dataD) None of these

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Statistics MCQs on Basic Statistics

Question 17: The data which have already been collected bysome one are called

A) Raw dataB) Array dataC) Secondary dataD) Fictitious data

Question 18: Census reports used as a source of data is

A) Primary sourceB) secondary sourceC) Organized dataD) none

Question 19: The grouped data is also called

A) Raw dataB) Primary dataC) Secondary dataD) Qualitative data

Question 20: Primary data and ���- data are same

A) GroupedB) Secondary dataC) UngroupedD) None of these

Question 21: Questionnaire survey method is used to collect

A) Secondary dataB) Qualitative variableC) Primary dataD) None of these

Question 22: Data collected by NADRA to issue computerizedidentity cards (CICs) are

A) Uno�cial dataB) Qualitative dataC) Secondary data

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Statistics MCQs on Basic Statistics

D) Primary dataE) None of these

Question 23: Population census is conducted through

A) Sample surveyB) AccountingC) InvestigationD) Complete enumeration

Question 24: A parameter is a measure which is computedfrom

A) Population dataB) Sample dataC) Test statisticsD) None of these

Question 25: Given X1 = 12, X2 = 19, X3 = 10, X4 = 7, then∑X4

i=1 equals?

A) 36B) 48C) 41D) 29E) None of these

Question 26: A chance variation in an observational process is

A) Dispersion/ VariabilityB) Measurement errorC) Random errorD) Instrument error

Question 27: A constant variable can take values

A) ZeroB) FixedC) Not �xedD) Nothing

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Statistics MCQs on Basic Statistics

Answers

1) C 2) D 3) B 4) E 5) B6) C 7) C 8) D 9) D 10) A11) A 12) B 13) A 14) B 15) B16) C 17) C 18) B 19) C 20) C21) C 22) D 23) D 24) A 25) B26) C 27) B

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