Worksheetsorganisation of data
Total questions: 20
Worksheet time: 11mins
Raw data is made comprehensible by :
collection of data
classification of data
organisation of data
presentation of data
The two important functions of classification are :
scrutiny and editing of data
presentation and interpretataion of data
reducing bulk data and facilitating comparison
forming trend and tendencies
Classification of population of India in terms of years is an example of :
Geographical classification
Chronological classification
Quantitative classification
Qualitative classification
The data classified with reference to countries is called :
spatial
chronological
both
none
In a frequency distribution, the class may be :
singular or plural
subjective or objective
individual or discrete
inclusive or exclusive
In case of inclusive method :
upper limit of class interval is excluded
lower limit of class is excluded
both upper limit and lower limit are included
both upper and lower limit are excluded
A frequency distribution table showing value of sales in different column and advertisement expenditure in different rows is termed as :
bilateral frequency distribution
univariate frequency distribution
multivariate frequency distribution
none of these
A ____________ refers to quantity whose value varies from one investigation to another.
constant
variable
array
none of these
____________ series excludes the upper limit of the class-interval.
exclusive
inclusive
open ended
mid value
Height or weight of individual are continuous variable as they can be fraction
True
False
class-interval need to be mutually exclusive.
True
False
Statistical calculation in classified data is based on the lower class limit
True
False
____________ refers to number of times a given value appears in a distribution
Variable
frequency
both
none
In the exclusive method:
the upper class limit is excluded but lower class limit is included
the lower class limit is excluded but upper class limit is included
both the upper class limit and lower class limit are included
none of these
which is an attribute out of the following ?
height
weight
intelligence
age
Range is the average of the largest and the smallest observation
True
False
Univariate frequency is also known as one way frequency distribution
True
False
The class midpoint is equal to:
The average of the upper class limit and the lower class limit
the product of upper class limit and the lower class limit
The ratio of the upper class limit and the lower class limit
none of these
Range is the :
difference between the largest and the smallest observation
difference between the smallest and the largest observation
average of the largest and the smallest observation
ratio of the largest to the smallest observation
Statistical calculation is classified data are based on:
the actual value of the observation
the upper class limit
the lower class limit
the class midpoints
