Definitions Flashcards
1
Q
Unusually High Value
A
2
Q
mean>median
A
distribution skewed to the right
3
Q
Central limit theorem:
A
if a sample consists of at least 30 independent observations and the data are not strongly skewed, then the distribution of the sample mean is well approximated by a normal model
4
Q
95% confidence interval is:
A
point estimate ± 1.96 * SE
5
Q
Standard Error
A
SE= Standard Deviation/Wurzel n
6
Q
99% Confidence Interval
A
Point estimate ± 2.58 * SE
