COB 191 final UPDATED Exam Questions
and CORRECT Answers
qualitative data - CORRECT ANSWER- ✔✔descriptive terms
quantitative data - CORRECT ANSWER- ✔✔described by numeric values
qualitative data classifications - CORRECT ANSWER- ✔✔nominal and ordinal
quantitative data classifications - CORRECT ANSWER- ✔✔interval and ratio
nominal - CORRECT ANSWER- ✔✔classifies data into distinct basic levels with no ranking
implied
ordinal - CORRECT ANSWER- ✔✔classifies data into distinct basic levels where ranking is
implied
interval - CORRECT ANSWER- ✔✔data can be meaningfully measured but has no true zero
point
ratio - CORRECT ANSWER- ✔✔data can be meaningfully measured and has a true zero
point
primary data - CORRECT ANSWER- ✔✔collected by you directly
secondary data - CORRECT ANSWER- ✔✔collected and published by someone else
discrete data - CORRECT ANSWER- ✔✔finite number range or countable number
examples of discrete data - CORRECT ANSWER- ✔✔money, number of children in a house,
temperature
, continuous data - CORRECT ANSWER- ✔✔infinite number, obtained by measuring, many
decimal points
examples of continuous data - CORRECT ANSWER- ✔✔weight, height
descriptive statistics - CORRECT ANSWER- ✔✔collecting, summarizing, and displaying
data; factual representation of sample information
inferential statistics - CORRECT ANSWER- ✔✔making claims or conclusions about the
population based on sample results
simple random sampling - CORRECT ANSWER- ✔✔every member of the population has an
equal chance of being chosen
systematic sampling - CORRECT ANSWER- ✔✔take every kth member as part of the
sample, where k=N/n
stratified random sampling - CORRECT ANSWER- ✔✔population is divided into strata and
participants randomly selected from each stratum (subset of the population that shares a
particular meaningful characteristic)
cluster sampling - CORRECT ANSWER- ✔✔clusters are based on naturally occurring
groups (like patients in a hospital) and participants are selected from those groups
convenience sampling - CORRECT ANSWER- ✔✔used whenever participants are readily
available
measurement error - CORRECT ANSWER- ✔✔people provide incorrect data in survey
coverage error - CORRECT ANSWER- ✔✔occurs when the sampling frame excludes some
segments of the target population
and CORRECT Answers
qualitative data - CORRECT ANSWER- ✔✔descriptive terms
quantitative data - CORRECT ANSWER- ✔✔described by numeric values
qualitative data classifications - CORRECT ANSWER- ✔✔nominal and ordinal
quantitative data classifications - CORRECT ANSWER- ✔✔interval and ratio
nominal - CORRECT ANSWER- ✔✔classifies data into distinct basic levels with no ranking
implied
ordinal - CORRECT ANSWER- ✔✔classifies data into distinct basic levels where ranking is
implied
interval - CORRECT ANSWER- ✔✔data can be meaningfully measured but has no true zero
point
ratio - CORRECT ANSWER- ✔✔data can be meaningfully measured and has a true zero
point
primary data - CORRECT ANSWER- ✔✔collected by you directly
secondary data - CORRECT ANSWER- ✔✔collected and published by someone else
discrete data - CORRECT ANSWER- ✔✔finite number range or countable number
examples of discrete data - CORRECT ANSWER- ✔✔money, number of children in a house,
temperature
, continuous data - CORRECT ANSWER- ✔✔infinite number, obtained by measuring, many
decimal points
examples of continuous data - CORRECT ANSWER- ✔✔weight, height
descriptive statistics - CORRECT ANSWER- ✔✔collecting, summarizing, and displaying
data; factual representation of sample information
inferential statistics - CORRECT ANSWER- ✔✔making claims or conclusions about the
population based on sample results
simple random sampling - CORRECT ANSWER- ✔✔every member of the population has an
equal chance of being chosen
systematic sampling - CORRECT ANSWER- ✔✔take every kth member as part of the
sample, where k=N/n
stratified random sampling - CORRECT ANSWER- ✔✔population is divided into strata and
participants randomly selected from each stratum (subset of the population that shares a
particular meaningful characteristic)
cluster sampling - CORRECT ANSWER- ✔✔clusters are based on naturally occurring
groups (like patients in a hospital) and participants are selected from those groups
convenience sampling - CORRECT ANSWER- ✔✔used whenever participants are readily
available
measurement error - CORRECT ANSWER- ✔✔people provide incorrect data in survey
coverage error - CORRECT ANSWER- ✔✔occurs when the sampling frame excludes some
segments of the target population
