Week 3 Flashcards
1
Q
What is variability?
A
how much the scores vary about th emean
2
Q
How do you determine the interquartile range (IQR)?
A
median divides the data into two: lower quartile (Q1) and upper quartile (Q2); then find the median of those two halves
3
Q
What type of distribution can have 2 binary outcomes possible (success or failure)?
A
binomial distribution
4
Q
In regards to probability, what does independence mean?
A
A and B are not related in any way (occurrence of one doesn’t alter the probability of the other)
5
Q
In regards to probability, what does mutual exclusivity mean?
A
A and B cannot occur at the same time (if one occurs, the other cannot also occur)
