QUESTIONS AND VERIFIED ANSWERS BY
EXPERTS
⩥ notifiable diseases. Answer: diseases for which health officials request
or require reporting for public health reasons
⩥ ordinal data. Answer: the order of the numbers is meaningful, not the
numbers themselves.
⩥ bar charts. Answer: Used when data is divided into categories
(discrete data)
The bars are separated to show different categories
⩥ interval level data. Answer: intervals between successive values are
equal
⩥ pie chart. Answer: a chart that shows the relationship of a part to a
whole
⩥ ratio level data scale. Answer: highest level of measurement. there's is
a defined unit of measure, a real zero point, add the intervals are equal
, ⩥ line graph. Answer: a graph that uses one or more lines to show
changes in statistics over time or space. does not represent frequency
distribution
⩥ discreet variables. Answer: fall into categories and can only take in a
limited number of values and have gaps between successive values
⩥ Histogram. Answer: a bar graph depicting a frequency distribution
⩥ continue variables. Answer: no gaps in the measurement data. either
interval or ratio level. some of the ratio level variables are discreet
⩥ frequency polygon. Answer: A line figure used to present data from a
frequency distribution
⩥ daily inpatient census. Answer: Official count of inpatients present at
midnight, calculated each day. Calculated by inpatient census at
midnight prior day + admissions - discharges (including deaths) +
patients that were admitted and discharged same day
⩥ scatter chart. Answer: A chart that shows the relationship between two
categories of data; sometimes called an XY chart.