Stats Flashcards
(7 cards)
1
Q
Error Bars
A
Graphical rep of variability of data
2
Q
+-1 SD
A
68%
3
Q
+- 2 SD
A
95%
4
Q
Uncertainty
A
Margin of error
5
Q
Standard Error of the Mean
A
How close the sample mean is to the population mean. The greater the sample size, the less the uncertainty in the calculations
6
Q
When use median
A
When you need to represent a group of values with a few outliers
7
Q
Standard Deviation
A
Shows how far the values in the data set as a whole are from the mean.
