statics formuals...??
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The symbol 'σ' represents the population standard deviation. The term 'sqrt' used in this statistical formula denotes square root. The term 'Σ ( Xi – μ )2' used in the statistical formula represents the sum of the squared deviations of the scores from their population mean.
www.dummies.com
The symbol 'σ' represents the population standard deviation. The term 'sqrt' used in this statistical formula denotes square root. The term 'Σ ( Xi – μ )2' used in the statistical formula represents the sum of the squared deviations of the scores from their population mean.
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***mean = sigma fixi / sigma fi
median = it is the value of the middle most observation value = n +1 /2 if n is odd
if n is even value of median =n /2
mode : is the most frequently occurring observations
hope it helps
plz mark as brain list .....
median = it is the value of the middle most observation value = n +1 /2 if n is odd
if n is even value of median =n /2
mode : is the most frequently occurring observations
hope it helps
plz mark as brain list .....
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