1.3 The Process of A Statistical Study
When working with humans or animals, the _______ requires extensive proof that no physical or mental harm will occur to the subjects in the study.
Institutional Review Board
A disaster planner analyzes five weather reports from hurricanes to compare for common factors.
Meta Analysis
A statistics student chooses ten people at random from each neighborhood.
Stratified Sampling
A statistics student chooses twenty people at random from each math class.
Stratified Sampling
A physician applies a process to produce a desired response to the _______.
Treatment Group
A produce manager inspects three ears of corn off a truck before purchasing the load.
Case Study
A nurse gives a placebo to the _______.
Control Group
In a _______ experiment, neither nurses nor participants know whether the participant is in the treatment group or the control group.
Double Blind
A gas station owner wants to study if commuters frequent her establishment often.
Observational
A statistics student selects ten classmates by placing each name in a box and randomly selecting the names.
Simple Random Sampling
A scientist chooses twenty people at random from each class.
Stratified Sampling
A consumer advocate studies a certain model of car based on its performance, value, and quality.
Case Study
A sports writer studies the batting average, walk to strikeout ratio, and home runs hit for a certain baseball player for fifteen weeks for an article.
Case Study
The _______ will require researchers to fill out documents describing their proposed study in detail.
Institutional Review Board
A medical researcher studies fifteen medical records from patients with a rare blood disease.
Meta Analysis
A coffee shop manager wants to find out whether customers are satisfied with the service they receive.
Observational
If the researchers administering care know which partakers have been placed in the experimental or control group, but the partaker does not have this information, the experiment is _______.
Single Blind
In a _______ experiment, only the participant does not know whether they received a placebo or treatment.
Single Blind
Your uncle calculates his average mileage, average travel time, and average time of arrival on his commute to work over the last fifteen months.
Case Study
For tax purposes, a secretary needs to know the average length of tenure of instructors at their school.
Census
Select each member of the entire population.
Census
A market researcher interviews each member from each of the five randomly chosen freshmen dormitories at universities across the country.
Cluster Sampling
A random number generator is used to choose fifteen regions. Then a crime researcher collects data from each person in these regions.
Cluster Sampling
A random number generator is used to choose five cities. Then a political strategist collects data from each person in these cities.
Cluster Sampling
A random number generator is used to choose five classes. Then a crime researcher collects data from each person in these classes.
Cluster Sampling
A school administrator interviews each member from each of the fifteen randomly chosen voting districts in a county.
Cluster Sampling
A school administrator interviews each member from each of the ten randomly chosen neighborhoods throughout a city.
Cluster Sampling
A statistics student interviews each member from each of the fifteen randomly chosen zoning districts in a town.
Cluster Sampling
First, the population is subdivided by city. Then a political strategist uses a random number generator to select twenty-five members from each city to study.
Stratified Sampling
First, the population is subdivided by class. Then a college student uses a random number generator to select fifty members from each class to study.
Stratified Sampling
A deli cart entrepreneur wants to find out the number of cars passing a billboard in a day.
Observational
