109649
Description
Mind Map by harry_bygraves, updated more than 1 year ago
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Created by harry_bygraves
almost 11 years ago
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Analysing and interpreting data
- Standard error is a measure of
how reliable is the sample mean
as an estimate of the true mean
of the whole population
- SE = s/Square route of sample size
- SE = s/Square route of sample size
- Spearmens Rank Coeffiecient is
used to test the strength and direction
of the correlation
- Chi-squared test assesses the difference
between observed and expected values
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