Qualitative vs Quantitative
What is "qualitative"
What is the lowest level of measurement?
What is "nominal"
Which sampling leads to bias?
What is "convenience sampling"
A sample is...
what is "part of a population"
The science of collecting, organizing, analyzing, and interpreting data is what?
What is "statistics"
Quantitive data refers to...
What is "numerical measurements or counts"
A meaningful zero is an indication of what level of measurement?
What is "ratio"
To avoid placebo effect researchers can use what?
What is "blind or double blind"
The collection of all outcomes, responses, measurements, or counts that are of interests are a what?
What is "population"
Last year a company with 65 employees spent a total of $5,000,000 on salaries. The numerical value is a what?
What is "parameter"
Nominal level of measurement is only what?
What is "qualitative"
The top five business schools in the US for 2021 are listed in Forbes. This is an example of what level of measurement?
What is "ordinal"
Picking some people from each grade in a school to survey is an example of what?
What is "stratified sampling"
A branch of statistics that involves organization, summarization and display of data is called what?
What is "descriptive statistics"
A study where the researcher does not change existing condition is called what?
What is "observational study"
Show size is an example of what type of data
What is "quantitive"
Order the level of measurements from highest to lowest.
What is " ratio, interval, ordinal, nominal"
Groups used in stratified sampling are called what?
What is "strata"
When an experimenter cannot tell the difference between the effects of different factors on a variable it is called a...
What is "confounding varible"
Automotive manufactures use what type of data collection to study the effects of crashes on humans?
What is "simulation"
What levels of measurement are quantitive?
What is "ratio and interval"
If the expression "twice as much" has any meaning in the context of data, what level of measurement it the data?
What is "ratio"
The types of sampling techniques are...
What is "simple random, stratified, cluster, systematic, and convenience."
The process of randomly assigning subjects to different treatment groups is called...
What is "randomization"
The last step of designing a statistical study is what?
What is "identifying any possible errors"