Which method of data collection covers the widest area?
A) Direct personal investigation
B) Mailed questionnaire method
C) Direct interview method
D) All these
Correct Answer:
Verified
Q5: Cumulative frequency only refers to the
A)Less than
Q6: In a rail accident the appropriate method
Q7: Diagrams are tools of
A)Collection of data
B)Analysis of
Q8: Histogram is a
A)Graph
B)Diagram
C)Collection of bars
D)Pictogram
Q9: Divided bar chart is considered for
A)Comparing different
Q11: In chronological classification data are classified on
Q12: In pic diagram, divisions are shown by
Q13: In direct personal investigation, the investigator should
Q14: For drawing histogram the data should be
A)Discrete
Q15: A single value which can represent the
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