The science of collecting and analyzing observations to learn ourselves, our surroundings, and our universe.
What is Statistics?
100
The thing that is being studied in its entirety.
What is Population.
100
Show how many times each combination of a categories occurs.
What are Two-way tables?
100
A method of creating a control group that believes they are receiving a treatment.
What is a Placebo?
100
Something that screws with the data.
What is a confounding variable
200
Recorded observations.
What is Data?
200
It describes quantities of the objects of interest, values are numbers.
What is a Numerical Variable?
200
Simply the number of times a value is observed in a data set.
What is Frequency?
200
The relation between an event and the effect.
What is Causality?
200
True or false, is the control group given a variable to change?
What is False?
300
The amount of change inside a specific variable.
What is Variation?
300
Describes qualities of the objects of interest.
What is a Categorical Variable?
300
When reporting numbers by for example “number of events per 1000 objects.”
What are rates?
300
The link proven by an experiment between two variables.
What is Association?
300
True or False: In a double blind both the researchers and participants do not know they are either in the treatment or control group?
What is True?
400
A list of test scores.
What is an example of data?
400
Data stored in a spreadsheet style format.
What is Stacked Data?
400
A prejudice in favor or against one thing against another.
What is a Bias?
400
The group that does not receive the cause in order to compare to the treatment group.
What is a Control Group
400
Which type of variable is used to explain the difference between two groups:
a. confounding variable
b. controlled variable
c. treatment variable
What is A
500
A characteristic of a subject being studied;
A small part of quantity intended to show what the whole is.
What is the difference between a Variable and a Sample?
500
Data stored such that each column represents a variable from a different group. Can only store two variables.
What is Unstacked Data?
500
Of the 400 students who were surveyed 65% were carrying their calculators. Of those carrying their calculators, 40% were men. How many of these 400 students were carrying their calculator?
What is 400 x 0.65 = 260?
500
The group in an experiment that receives a cause to examine the effects.
What is a treatment group
500
1. large sample
2. random assignment
3. Blind
4. Placebo
What are the 4 criteria of a controlled experiment?