Save
AQA A-Level Geography
AS/A2 Statistical Tests
Save
Share
Learn
Content
Leaderboard
Learn
Created by
Study_Potato
Visit profile
Cards (5)
For
Chi-Square
:
If the calculated value is
LARGER
than the critical value,
reject
the null hypothesis
If the calculated value is
SMALLER
than the critical value,
accept
the null hypothesis
Chi-Square
:
It does not indicated what the
association
between the
data sets actually is
It will show that there is something going on
geographically concerning
where something (i.e.
local food retailers
) are
located
Standard Deviation
:
Measures the
difference
between each
data value
and the
mean
and calculates the
average variation
It is liable to being influenced by
extreme outlier measurements
, but the impact can be reduced by having
larger sample sizes
A normal distribution is that in which data is evenly spread out either side of the mean
A)
Mean
1
An uneven (or skewed) distribution is that in which the spread of the data favours one side of the mean over the other
A)
mean
1