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They are measures of the spread of distributions about their mean.
no
In finance, risk of investments may be measured by calculating the variance and standard deviation of the distribution of returns on those investments. Variance measures how far in either direction the amount of the returns may deviate from the mean.
http://www.futureaccountant.com/standard-costing-variance-analysis/ http://www.futureaccountant.com/standard-costing-variance-analysis/
Inter-quartile range, other percentile ranges, mean absolute variation, variance, standard error, standard deviation are all possible measures.
They are measures of the spread of distributions about their mean.
true
Labour rate variance .
no
Range, standard deviation, variance, root mean square, interquartile range
They are measures of the spread of the data and constitute one of the key descriptive statistics.
Standard error, standard deviation, variance, range, inter-quartile range as well as measures based on other percentiles.
Common measures of central tendency are the mean, median, mode. Common measures of dispersion are range, interquartile range, variance, standard deviation.
Standard deviation is the square root of the variance.
A small sample size and a large sample variance.
In finance, risk of investments may be measured by calculating the variance and standard deviation of the distribution of returns on those investments. Variance measures how far in either direction the amount of the returns may deviate from the mean.
http://www.futureaccountant.com/standard-costing-variance-analysis/ http://www.futureaccountant.com/standard-costing-variance-analysis/