Statistical Analysis Flashcards
0
Q
What does standard deviation mean?
A
Used to summarize the spread of values around the mean, and that 68% of values fall within one standard deviation of the mean
1
Q
What are error bars?
A
error bars are a graphical representation of the variability of data
2
Q
How is standard deviation useful for comparing the means and the spread of data between two or more samples?
A
A small standard deviation indicates the data is spread closely around the mean value and a large standard deviation indicates a wider spread around the mean. A smaller standard deviation shows more accuracy in your results and experiment.
