Descriptive Stats Flashcards
(7 cards)
1
Q
Descriptive stats include
A
mean
median
mode
range
standard deviation
2
Q
Inferential Statistics
A
confidence intervals
correlations/regressions
T-tests/ANOVAs
MANOVA/ANCOVA
3
Q
Standard Deviation
A
describes overall spread of data
1 SD = 68% of data
2 SD = 95%
3 SD = 99%
4
Q
Positive Skew
A
5
Q
Negative skew
A
6
Q
Confidence Interval
A
estimates how well the sample mean represents the population mean
increases as sample size increases
7
Q
Standard Error of the Mean
A
used to compute the confidence interval
SE = standard error of the mean
s = standard deviation of the sample
n= sample size
