Statistics in Science Flashcards
1
Q
A smaller spread between data points means the data is… and a larger spread means it is…
A
More valid
Less valid
2
Q
Standard deviation is used to..
A
determine the spread if data pts from the mean
3
Q
Standard error of mean is used to…
A
represent uncertainty in determining mean due to sample size
4
Q
a lower SEM is …
A
preferable - more likely to be accurate
5
Q
when there is significant overlap between error bars it is..
A
NOT statistically significant
6
Q
A negative controlled group is…
A positive controlled group is…
A
not exposed to an experimental treatment
provides an expected/ known response
7
Q
When the data is significant, the null hypothesis is…
A
Rejected
8
Q
A
