Deck 5: Data Representation and Analysis

Question 1

Bar diagrams are

A)One dimensional
B)Two
C)Three
D)None of these

Answer 1

One dimensional

Question 2

Pictograms are shown by

A)Dots
B)Lines
C)Cirlces
D)Pictures

Answer 2

Pictures

Question 3

The point of intersection of the less than and the greater than ogives corresponds to :

A)Mean
B)Mode
C)Median
D)Geometric Mean

Answer 3

Median

Question 4

The number of observations corresponding to a particular class is known as ……..

A)Class Limit
B)Class boundary
C)Class interval
D)Frequency

Question 5

Cumulative frequency only refers to the

A)Less than type
B)More than type
C)Both
D)None

Question 6

In a rail accident the appropriate method of data collection is

A)Personal enquiry
B)Indirect oral investigation
C)Direct Interview
D)All these

Question 7

Diagrams are tools of

A)Collection of data
B)Analysis of data
C)Summarisation of data
D)Presentation of Data

Question 8

Histogram is a

A)Graph
B)Diagram
C)Collection of bars
D)Pictogram

Question 9

Divided bar chart is considered for

A)Comparing different components of a variable
B)The relation of different components to the total
C)a or b
D)a & b

Question 10

Which method of data collection covers the widest area?

A)Direct personal investigation
B)Mailed questionnaire method
C)Direct interview method
D)All these

Question 11

In chronological classification data are classified on the basis of

A)Attributes
B)Class intervals
C)Time
D)area

Question 12

In pic diagram, divisions are shown by means of

A)Circle
B)Sector
C)Circle or sector
D)None

Question 13

In direct personal investigation, the investigator should be

A)Biased
B)Tactful
C)Optimistic
D)All these

Question 14

For drawing histogram the data should be

A)Discrete series
B)Continuous distribution
C)Individual series
D)Any one of these

Question 15

A single value which can represent the whole set of data is called

A)Set
B)Average
C)Interest
D)Matrices

Question 16

…………….. is the sum of the values divided by the total number of items in the set.

A)Mode
B)Median
C)Mean
D)Skewness

Question 17

The degree to which numerical data tend to spread about an average value is called

A)Dispersion
B)Harmonic mean
C)Kurtosis
D)Quartiles

Question 18

Which is not a measure of variation

A)Range
B)Quaratile Deviation
C)Standard deviation
D)Mode

Question 19

The second quartile is equal to

A)Mean
B)Median
C)Mode
D)Standard deviation

Question 20

Which is the mode in a set {1, 3, 5, 7, 8, 9, 7, 6, 2, 7}

A)8.5
B)5.5
C)7
D)9

Question 21

The difference between the maximum and the minimum observation of the given data is called ……………

A)Range
B)Mean Deviation
C)Quartile Deviation
D)Standard Deviation

Question 22

The points of intersection of the less than and more than ogive corresponds to

A)Mean
B)Median
C)Geometric Mean
D)Harmonic mean

Question 23

A time series is a set of data recorded

A)Periodically
B)At time intervals
C)At successive points of time
D)All the above

Question 24

Skewness refers to

A)Symmetry
B)Asymmetry
C)Flatness
D)Peakedness

Question 25

When the measure of kurtosis is greater than 3 the distribution is

A)Mesokurtic
B)Lepto Kurtic
C)Platy Kurtic
D)Symmetric