Q. In direct personal investigation, the investigator should be
✅ Correct Answer: (C)
Optimistic
Basic Numerical Skills MCQs and Notes
Q. In pic diagram, divisions are shown by means of
✅ Correct Answer: (B)
Sector
Q. In chronological classification data are classified on the basis of
✅ Correct Answer: (C)
Time
Q. Which method of data collection covers the widest area?
✅ Correct Answer: (B)
Mailed questionnaire method
Q. Divided bar chart is considered for
✅ Correct Answer: (D)
a) & b)
Q. Diagrams are tools of
✅ Correct Answer: (D)
Presentation of Data
Q. In a rail accident the appropriate method of data collection is
✅ Correct Answer: (B)
Indirect oral investigation
Q. Cumulative frequency only refers to the
✅ Correct Answer: (C)
Both
Q. The number of observations corresponding to a particular class is known as ……..
✅ Correct Answer: (D)
Frequency