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Probability
Statistical Terminology
Survey Construction
100
P(A’)= 1- P (A)
What is the Probability of an Event NOT Occurring (also the subtraction rule)?
100
The total of all numbers divided by the total number of items.
What is the Mean?
100
Gather information regarding people’s attitudes, thoughts, & feelings.
What is a Survey?
200
p (A and B) = p (A) * p (B)
What is the probability that event A AND event B will occur?
200
The difference between the highest and lowest scores in a data set
What is the Range?
200
An example would be: The more students spend time on Facebook the more they are behind on their assignments.
What is a Hypothesis?
300
The type of event where the occurrence of one event will INFLUENCE the probability of the occurrence of another event.
What is a Dependent Event?
300
Measure of distance each score is from the mean.
What is the Standard Deviation?
300
The extent to which inferences that are made about individuals on the basis of test scores are accurate, meaningful, and appropriate.
What is Validity?
400
The following are examples of this type of event: (1) The probability of drawing a red marble from a bag of 10 marbles, replacing it, then drawing a blue marble from the bag. (2) The probability of the Yankees winning the world series and the probability of the Giants winning the Superbowl.
What is an Independent Event?
400
The amount of dispersion of a set of scores.
What is the Variance?
400
"When is the last time you have used drugs?"
What is a Loaded Question?
500
p (B | A)
What is the probability that B occurs, given that A has occurred?
500
Statistical term used to say the "most"
What is Mode?
500
Type of evidence showing that a scale is a good representation of the variable or construct being measured.
What is Content Validity?