Design of a statistical study
Data sets
Experimental design
Sampling techniques
Levels of measurment
100
What is a researcher that does not influence the response
What is observational study
100
what is the collection of all outcomes, responses, measurements, or counts that are of interest
What is population
100
what occurs when an experimenter can not tell the difference of the effects of different factors on the variable
What is confounding variable
100
what is a count or measure of an entire population
What is census
100
what is data categorized using names and labels, or qualities
What is a nominal level of measurement
200
What is applied to part of a population
What is treatment
200
what is subset, or part, of a population
What is a sample
200
what is a technique where the subjects do not know weather they are receiving a treatment or placebo
What is blinding
200
what is a count or measure of a part of the population
What is sample
200
What is data that can be arranged in order or ranked
What ordinal data of measurement
300
what is another part of the population that has no treatment applied
What is control group
300
what are two important terms that are used throughout this course
What is parameter and statistic
300
what is neither the experimenter nor the subjects know if the subjects are receiving a treatment or a placebo
What is double- blind experiment
300
what is one in which every member of the population has an equal chance of being selected
What is a random sample
300
What is data that can be ordered and meaningful differences between data entries can be calculated
What is interval level of measurement
400
What are the subjects in the treatment and control groups
What is experimental units
400
what is a numerical description of a population characteristic
What is a parameter
400
what is another element of a well designed experiment
What is randomization
400
What is a sample in which every possible sample of the same size has the same chance of being selected
What is simple random sample
400
What is similar data at the interval level, with the added property that a zero entry is an inherent zero
What is ratio level of measurement
500
What does a researcher deliberately apply a treatment before observing the responses
What is experiments
500
what is a numerical description of a sample characteristic
What is a statistic
500
what are subject that are assigned to different treatment groups through random selection
What is completely randomized design
500
what is a type of sample that often leads to biased studies
What is convenience sample
500
how many level of measurement are their
What is 4
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