Research Questions for Statistics:
The prominent meaning of ‘statistics’__
(a) Data, its analysis and interpretation
(b) observation of samples
(c) Method for analyzing numbers
(d) conducting a census
__ guides from the planning stage to the stage of drawing of final conclusions
(a) Numerical facts
(b) statistical methods
(c) Data
(d) None of these
Obtain the median for the following frequency distribution
| x : | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| f : | 8 | 10 | 11 | 16 | 20 | 25 | 15 | 9 | 6 |
(a) 5
(b) 6
(c) 9
(d) 16
Which among the following is not an essential of sampling?
(a) Representativeness
(b) Complete
(c) Same
(d) Dependent
__ is a line chart plotted on arithmetic graph paper from a cumulative frequency distribution that may be cumulated downward or upward.
(a) Lorenz curve
(b) bar charts
(c) ogive
(d) pictograms
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__ is a declarative statement combining concepts.
(a) theory
(b) reviews
(c) hypothesis
(d) variables
__ is a positional average.
(a) standard deviation
(b) range
(c) correlation
(d) median
Calculate the median from the following data:
| Marks :: | 0-10 | 10-30 | 30-60 | 60-80 | 80-90 |
| No. of students | 5 | 15 | 30 | 8 | 2 |
(a) 20
(b) 30
(c) 50
(d) 40
__ is also known as arithmetic average
(a) dispersion
(b) range
(c) quartile
(d) mean
Quantitative characteristic includes __
(a) Beauty
(b) emotion
(c) intelligence
(d) data
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What do statistics of distribution indicate?
(a) Consumer preference
(b) strength of the desire of people
(c) Wealth of nation
(d) economic conditions of people
The __ of a set of observations or scores is obtained by dividing the sum of all the values by the total number of values
(a) mean
(b) median
(c) mode
(d) dispersion
A single value that represents the average characteristic of its frequency distribution
(a) quartiles
(b) grouped data
(c) central tendency
(d) range
Any variable that is responsive to bringing about a change is called an __ variable
(a) dependent
(b) independent
(c) control
(d) Interdependent
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__ bar charts are commonly used for presenting time series data.
(a) vertical
(b) horizontal
(c) component
(d) circle
The Mathematical theory of probability has helped to form the __
(a) Statistical theory
(b) Law of Inertia of large numbers
(c) Law of statistical Relativity
(d) Law of statistical Regularity
__ provide a shorthand summary of data.
(a) frequency table
(b) Simple table
(c) cross table
(d) two-way table
__ helps make estimations or generalizations from the results of sample surveys.
(a) statistical analysis
(b) hypothesis
(c) classifications
(d) tabulation
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__ is a measure that occurs most frequently in a distribution.
(a) mean
(b) average
(c) mode
(d) median
“Statistics are affected to a marked extent by __”
(a) Aggregate of facts
(b) multiplicity of causes
(c) numerically stated
(d) complex manifestations
“More reliable results can be obtained through a sampling method”, because __
(a) Statistical errors are low
(b) Saves time
(c) Cost is low
(d) None of these
An image, perception or concept that is capable of measurement is called a __
(a) attribute
(b) theory
(c) paradigm
(d) variable
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__ of research problems are the first and most important step in the research process.
(a) formulating
(b) designing
(c) selecting
(d) reporting
Statistics is one of those sciences which are only indicative of a trend, therefore __
(a) it is probabilistic than deterministic
(b) It is deterministic than probabilistic
(c) a definite date collection method is unnecessary
(d) data sources should be clear
Find the value of x, if the mode of the following date is 25 :
15, 20, 25, 18, 14, 15, 25, 15, 18, 16, 20, 25, 20, x, 18
(a) 20
(b) 14
(c) 18
(d) 25
The extent of variability is measured by __
(a) central tendency
(b) measures of dispersion
(c) arithmetic mean
(d) co–relation
__ are statements of factual information based upon data analysis.
(a) findings
(b) review
(c) methodology
(d) hypothesis
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Which characteristic of the following does not belong to ‘statistics as a method’?
(a) a tool of analysis
(b) helps process the raw
(c) descriptive nature
(d) processing done by systematic analysis & interpretation
__ is a process of summarizing raw data and displaying it on compact statistical tables for further analysis.
(a) statistical analysis
(b) data processing
(c) tabulation
(d) table construction
Find the mode of the following data:
26, 16, 19, 48, 19, 20, 34, 15, 19, 20, 21, 24, 19, 22, 16, 18, 20, 16, 19
(a) 48
(b) 20
(c) 19
(d) 24
__ is drawn on the basis of cumulative frequencies.
(a) Cumulative frequency polygon
(b) frequency polygon
(c) histogram
(d) graphs
__ presentation is particularly useful when the prospective readers are non-technical people or the general public.
(a) graphic
(b) table
(c) qualitative
(d) quantitative
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Statistics should be capable of __
(a) Empiricism
(b) systematic inquiry
(c) comparison
(d) evaluation
Which among the following is a material for statistics?
(a) Honesty
(b) Poverty
(c) Wisdom
(d) Numerical data
The most frequently occurring score in a distribution.
(a) mean
(b) mode
(c) median
(d) quartile
The values are represented by identical symbols or pictures.
(a) bar charts
(b) pictograms
(c) circle charts
(d) graphs
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__ is an intermediary process between data coding and data tabulation.
(a) analysis
(b) editing
(c) transcription
(d) reporting
