ECN 221 EXAM 1 Question and answers
rated A+ 2025
Population - correct answer ✔the set of all elements of interest in a particular
study
parameter - correct answer ✔finding the mean, median etc for a population
sample - correct answer ✔a subset of the population
statistic - correct answer ✔finding a measure for a sample
sample size - correct answer ✔a subset of the sample
pie chart - correct answer ✔good measure of relative frequency distribution
bar chart - correct answer ✔depicts qualitative data
frequency distributions - correct answer ✔tabular summary of data showing
the frequency of items in each of the classes
frequency - correct answer ✔a count of the number of items in a specific
category
relative frequency - correct answer ✔fraction of the total number of data
items
rated A+ 2025
Population - correct answer ✔the set of all elements of interest in a particular
study
parameter - correct answer ✔finding the mean, median etc for a population
sample - correct answer ✔a subset of the population
statistic - correct answer ✔finding a measure for a sample
sample size - correct answer ✔a subset of the sample
pie chart - correct answer ✔good measure of relative frequency distribution
bar chart - correct answer ✔depicts qualitative data
frequency distributions - correct answer ✔tabular summary of data showing
the frequency of items in each of the classes
frequency - correct answer ✔a count of the number of items in a specific
category
relative frequency - correct answer ✔fraction of the total number of data
items
