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Research methods
Data
Presentation of Data
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Created by
kai jones
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Cards (11)
Draw a scattergram
:
Draw a Bar Chart
:
Draw a histogram
:
Draw a distribution curve.
:
What is a positive skew distribution?
When most of the distribution is concentrated towards the
left
of the graph and there is a long tail on the
right.
In a positive skew distribution curve what effect will extreme values have?
Extreme values will
increase
the mean
In a positive skew distribution curve rank these lowest to highest in terms of score:
Mode
Mean
Median
Mode
,
median
then
mean
In skewed distribution curves what is the Y axis always?
It is always the
frequency
What is a negative skew distribution?
When most of the distribution is concentrated towards the
right
of the graph meaning there is a long tail on the
left.
In a negative skew distribution curve what effect will extreme values have?
The extreme scores will
decrease
the mean
In a negative skew distribution curve rank these lowest to highest in terms of score:
Mode
Mean
Median

Mean
,
median
then
mode