Population
Is the particular group of interest in a study?
Data
Information collected for a study
Census
Gathering data from every member of a particular group of interest
Parameter
Is a numerical description of a particular population characteristic
Sample
a subset of the population
sample statistic
a numerical measure that describes an aspect of a sample
random sample
a sample in which every element in the population has an equal chance of being
selected
stratified sample
the population is divided into subgroups called strata and a random sample is taken
from each stratum that share, similar characteristics like age age,gender to, ethnicity
cluster sample
One chosen by dividing the population into groups, call clusters that are each similar to
the entire proportion researchers, then randomly selects some of the clusters the simple
consist of the data collected from every member of the cluster selected
systematic sampling
One chosen by selecting every nth member of the population
convenience sample
One in which the sample is CONVENIENT to select. It is so named because it is
convenient for the researcher.
Describe which study is population parameter
In 2001, 78% of children down I asked with cancer were in remission after five years
and this number is improving
Describe which study uses simple statistic
Lakeside family dentist reported that six of the 15 patients who came in for the regular
cleaning one day had at least one cavity
A local news agency is interested in studying unemployment rates across the
state. The researcher will rain in the line select 1000 people from each state and
gather all the relevant data from those selected What is this
Stratified
In 1960s a poem of 2617 homeowners and the United States result in a report that
the average price of a home in the US was 18,500 which is the same
Population US home owners sample 2617 homeowners polled population perimeter
$185,000
An EPA contractor needs to test the concentrations of a substance and 10
samples of the ground water they are 10 districts in the region to be tested each
with several testing sites that this district have barely qualifies, such as individual
water, usage, and population size
Is the particular group of interest in a study?
Data
Information collected for a study
Census
Gathering data from every member of a particular group of interest
Parameter
Is a numerical description of a particular population characteristic
Sample
a subset of the population
sample statistic
a numerical measure that describes an aspect of a sample
random sample
a sample in which every element in the population has an equal chance of being
selected
stratified sample
the population is divided into subgroups called strata and a random sample is taken
from each stratum that share, similar characteristics like age age,gender to, ethnicity
cluster sample
One chosen by dividing the population into groups, call clusters that are each similar to
the entire proportion researchers, then randomly selects some of the clusters the simple
consist of the data collected from every member of the cluster selected
systematic sampling
One chosen by selecting every nth member of the population
convenience sample
One in which the sample is CONVENIENT to select. It is so named because it is
convenient for the researcher.
Describe which study is population parameter
In 2001, 78% of children down I asked with cancer were in remission after five years
and this number is improving
Describe which study uses simple statistic
Lakeside family dentist reported that six of the 15 patients who came in for the regular
cleaning one day had at least one cavity
A local news agency is interested in studying unemployment rates across the
state. The researcher will rain in the line select 1000 people from each state and
gather all the relevant data from those selected What is this
Stratified
In 1960s a poem of 2617 homeowners and the United States result in a report that
the average price of a home in the US was 18,500 which is the same
Population US home owners sample 2617 homeowners polled population perimeter
$185,000
An EPA contractor needs to test the concentrations of a substance and 10
samples of the ground water they are 10 districts in the region to be tested each
with several testing sites that this district have barely qualifies, such as individual
water, usage, and population size
