Question: Use your statistical package to find the range, semi-interquartile range, unbiased variance, and unbiased standard deviation for each of the quantitative variables in Ihno's data

Use your statistical package to find the range, semi-interquartile range, unbiased variance, and unbiased standard deviation for each of the quantitative variables in Ihno's data set. (Does your statistical package offer you the option of obtaining the biased versions of the variance and standard deviation?)

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