Central Tendencies

Question 1

This is the formula for Ratio.

Answer 1

No. of cases 1 / No. of cases 2

Question 2

This is the formula for Proportions.

Answer 2

No. of Cases / Total Population at Risk

Question 3

This is the formula for Percent Reduction.

Answer 3

Original Amount - Reduced Amount/Original Amount x 100 (%)

Question 4

This is the formula for Rate of Change.

Answer 4

New Value – Old Value / Old Value x 100 (%)

Question 5

This is the formula for Crude Birth Rate.

Answer 5

Number of Registered Live Births in a Year / Midyear Population x 100 (per 1000 population)

Question 6

This is the formula for Crude Death Rate.

Answer 6

Number of Deaths in a Calendar Year / Midyear Population x 1000 (per 1000 population)

Question 7

This is the formula for Age Specific Mortality Rate.

Answer 7

of Deaths in a Group in a Calendar Year / Midyear Population if Group x 1000 (per 1000 population).

Question 8

This is the formula for Cause-Specific Mortality Rate.

Answer 8

of Deaths from a Cause in a Calendar Year / Midyear Population x 1000 (per 1000 population).

Question 9

This is the formula for Prevalence.

Answer 9

of Existing Cases if a Specific Disease in one point in time / Total Population at the same point in time x Factor (per factor population)

Question 10

This is the formula for Incidence Rate.

Answer 10

of New Cases / Total Population x Factor (per factor population)

Question 11

This is the formula Infant Mortality Rate.

Answer 11

of Deaths under 1 yr old / # of live births x 1000 (per 1000 population)

Question 12

This is the formula for Swaroop’s Index.

Answer 12

of Deaths above 50 years old / total # of deaths x 1000 (per 1000 population)

Question 13

This is the formula for Case Fatality Rate.

Answer 13

of Deaths of Specific Case / Total # of Cases x 1000 (per 1000 population)

Question 14

This is the average of a given statistic.

Answer 14

Mean

Question 15

This is the middle number of a given set of numbers.

Answer 15

Median

Question 16

This is the most recurring number within a given statistic.

Answer 16

Mode

Question 17

This is the measure of fertility in a given population.

Answer 17

Crude Birth Rate