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1.1 Statistical Analysis
1.1.1 State that error bars are a graphical representation of the variability of
Bars on a graph extending above and below the mean value showing the
variability of the data.
Can represent the range of data/standard deviation
Larger error bars: less reliable data
Smaller error bars:…

Page 2

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2. Go down the DF column in the table of tvalues until you reach your DF
o E.g. 8
3. Read across until you get to the closest value that is smaller than your
calculated t value
4. Read down to the bottom row which gives you "p"



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