Unit 1 Flashcards
(11 cards)
1
Q
Mean for center so…
A
SD for variability
2
Q
Median for center so…
A
IQR for variability.
3
Q
For skewed data use…
A
Median and IQR
4
Q
For symmetric data use…
A
mean and sd.
5
Q
Skewed data or data with outliers will have a higher
A
mean compared to the median
6
Q
Skew data or data with outliers will have more of a gap between the median and
A
Q1 or Q3
7
Q
IQR is
A
the middle 50% of data
8
Q
sd of residuals (S)
A
value of distance from observed points to the regression model.
9
Q
coef of determination (r or r^2)
A
percentage of the variability accounted for in regression line
10
Q
dependent variable is
A
y
11
Q
independent variable is
A
x
