### Research Questions for Statistics:

**Question:** The prominent meaning of ‘statistics’__

(a) Data, its analysis and interpretation

(b) observation of samples

(c) Method for analyzing numbers

(d) conducting a census

**Question:** __ 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

**Question:** 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

**Question:** Which among the following is not an essential of sampling?

(a) Representativeness

(b) Complete

(c) Same

(d) Dependent

**Question:** __ 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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**Question:** __ is a declarative statement combining concepts.

(a) theory

(b) reviews

(c) hypothesis

(d) variables

**Question:** __ is a positional average.

(a) standard deviation

(b) range

(c) correlation

(d) median

**Question:** 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

**Question:** __ is also known as arithmetic average

(a) dispersion

(b) range

(c) quartile

(d) mean

**Question:** Quantitative characteristic includes __

(a) Beauty

(b) emotion

(c) intelligence

(d) data

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**Question:** 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

**Question:** 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

**Question:** A single value that represents the average characteristic of its frequency distribution

(a) quartiles

(b) grouped data

(c) central tendency

(d) range

**Question:** 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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**Question:** __ bar charts are commonly used for presenting time series data.

(a) vertical

(b) horizontal

(c) component

(d) circle

**Question:** 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

**Question:** __ provide a shorthand summary of data.

(a) frequency table

(b) Simple table

(c) cross table

(d) two-way table

**Question:** __ helps make estimations or generalizations from the results of sample surveys.

(a) statistical analysis

(b) hypothesis

(c) classifications

(d) tabulation

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**Question:** __ is a measure that occurs most frequently in a distribution.

(a) mean

(b) average

(c) mode

(d) median

**Question:** “Statistics are affected to a marked extent by __”

(a) Aggregate of facts

(b) multiplicity of causes

(c) numerically stated

(d) complex manifestations

**Question:** “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

**Question:** 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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**Question:** __ of research problems are the first and most important step in the research process.

(a) formulating

(b) designing

(c) selecting

(d) reporting

**Question:** 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

**Question:** 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

**Question:** The extent of variability is measured by __

(a) central tendency

(b) measures of dispersion

(c) arithmetic mean

(d) co–relation

**Question:** __ are statements of factual information based upon data analysis.

(a) findings

(b) review

(c) methodology

(d) hypothesis

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**Question:** 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

**Question:** __ 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

**Question:** 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

**Question:** __ is drawn on the basis of cumulative frequencies.

(a) Cumulative frequency polygon

(b) frequency polygon

(c) histogram

(d) graphs

**Question:** __ 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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**Question:** Statistics should be capable of __

(a) Empiricism

(b) systematic inquiry

(c) comparison

(d) evaluation

**Question:** Which among the following is a material for statistics?

(a) Honesty

(b) Poverty

(c) Wisdom

(d) Numerical data

**Question:** The most frequently occurring score in a distribution.

(a) mean

(b) mode

(c) median

(d) quartile

**Question:** The values are represented by identical symbols or pictures.

(a) bar charts

(b) pictograms

(c) circle charts

(d) graphs

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**Question:** __ is an intermediary process between data coding and data tabulation.

(a) analysis

(b) editing

(c) transcription

(d) reporting