Mathematics, 22.11.2019 20:31 hma9153

Which would be the best measure of variability to use to compare the data?
only brand a data is symmetric, so standard deviation is the best measure to compare variability.
only brand b data is symmetric, so the median is the best measure to compare variability.
both distributions are symmetric, so the mean is the best measure to compare variability.
both distributions are skewed left, so the interquartile range is the best measure to compare variability.

Which would be the best measure of variability to use to compare the data? only brand a data

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Which would be the best measure of variability to use to compare the data?
only brand a data...