Statistics Officer (Lok Sewa) - Nepal Statistics Service

Nepal · Public Service Commission Nepal · civil-service · unverified source

31practice questions written to this syllabus
2subjects

Format

Written papers (general and service-specific statistics) and interview (reported).

Sections

Over the years

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Official source: https://psc.gov.np/

Subjects this exam draws on

Demography & Vital Statistics22 questionsIndex Numbers, National Accounts & Agricultural Economic Statistics9 questions

Five practice questions, worked

Original questions written to this exam's published syllabus and pattern. Not past papers.

1. Among persons aged 23 to 62 in a census, 9,600 report their age, of whom 2,400 report an age ending in 0 or 5. What is Whipple's index?

  1. 25
  2. 500
  3. 20
  4. 125
Answer and working

D. 125

Whipple's index = (number reporting ages ending in 0 or 5 × 5)/(total aged 23-62) × 100 = 2,400 × 5/9,600 × 100 = 125. The index runs from 100 (no preference for 0 and 5) to 500 (every age ends in 0 or 5); 125 shows moderate heaping. 25 omits the factor 5.

Demography & Vital Statistics · Sources of demographic data: census, civil registration and sample registration

2. Three commodities have base prices 20, 10, 40, base quantities 5, 12, 3, current prices 25, 12, 44 and current quantities 4, 15, 3. What is the Laspeyres price index?

  1. 117.71
  2. 121.18
  3. 84.79
  4. 117.94
Answer and working

D. 117.94

sum p1 q0 = 125 + 144 + 132 = 401; sum p0 q0 = 100 + 120 + 120 = 340. L = 401/340 x 100 = 117.94. 117.71 is the Paasche index; 121.18 is the value index, which mixes price and quantity change.

Index Numbers, National Accounts & Agricultural Economic Statistics · Index numbers: Laspeyres, Paasche, Fisher and Marshall-Edgeworth

3. When is indirect standardisation preferred to direct standardisation?

  1. When the study population is very large and has complete vital registration
  2. When the standard population's own age distribution is not known at all
  3. When the study population's age rates are unreliable
  4. When the crude death rates of the populations compared are exactly equal
Answer and working

C. When the study population's age rates are unreliable

Indirect standardisation needs only the study population's age distribution and total deaths, applying standard rates to get expected deaths. Direct standardisation needs reliable rates in each study population.

Demography & Vital Statistics · Measures of mortality: crude, age-specific and standardised death rates; infant mortality

4. Real agricultural GVA rises from 200 to 207 billion currency units. What is the growth rate?

  1. 3.5%
  2. 7.0%
  3. 3.4%
  4. 103.5%
Answer and working

A. 3.5%

Growth = (207 - 200)/200 = 3.5%. 7.0% is the absolute change read as a percentage; 3.4% divides by 207.

Index Numbers, National Accounts & Agricultural Economic Statistics · Estimation of agricultural GVA and value of output

5. A district with a mid-year population of 150,000 receives 6,000 in-migrants and loses 9,000 out-migrants in a year. What is its net migration rate?

  1. -20 per 1,000
  2. +20 per 1,000
  3. −3,000 per 1,000
  4. 100 per 1,000
Answer and working

A. -20 per 1,000

Net migration = 6,000 − 9,000 = −3,000; rate = −3,000/150,000 × 1,000 = -20 per 1,000. +20 confuses net with the out-migration rate sign; 100 is the gross rate (15,000/150).

Demography & Vital Statistics · Migration measures

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