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WorksheetsStatistical Description of data
Total questions: 10
Worksheet time: 13mins
The quickest method to collect primary data is:
Personal interview
Indirect Interview
Mailed Questionnaire
Telephonic Interview
Which of the following statements is true?
Statistics is derived from the French word ‘statistik’
Statistics is derived from the Italian word 'statista'
Statistics is derived from the Latin word ‘statistique’
None of these
In tabulation, source of data, if any, is shown in the:
Stub
Body
Caption
Footnote
Frequency density corresponding to a class interval is the ratio of :
class frequency to the total frequency
class frequency to the class length
class frequency to the cumulative frequency.
class length to the class frequency
From the following data: 73,72, 65, 41, 54, 80,50, 46,49,53.
Find the number class intervals if class length is given as 5.
6
5
7
8
The statistical measure computed from the sample observations alone have been termed as
Estimate
Parameter
Statistic
Attribute
When the two curves of ogive intersect, the point of intersection provides
First Quartile
Second Quartile
Third Quartile
Mode
Cost of Sugar in a month under the heads: raw materials, labour, direct production and others were 12, 20, 35 & 23 units respectively. The difference between their central angles for the largest & smallest components of the cost of Sugar is
92 degree
72 degree
48 degree
56 degree
The frequency of class 20-30 in the following data is :
15
5
28
16
From the following data related to 90 people, What is the percentage of persons earning more than Rs.2,500?
45
50
55
60
