The answer depends on the type of data. The mean or median are useless if the data are qualitative (categoric): only the mode is any use. The median is better than the mean is the data are very skewed.
Median
which measure best describes the data set
The mean may be a good measure but not if the data distribution is very skewed.
That depends on the data.
A pie graph represent data as a part of a whole, showing the separate portions of the data in accordance to the whole.
Median
mean
The measure of center is a single value that represents the middle or central tendency of a dataset. Common measures of center include the mean, median, and mode, which each describe different aspects of the data's distribution. The choice of measure depends on the characteristics of the data and the specific question being addressed.
mean does not mean the center of the data
mean does not mean the center of the data
Nothingness. Nothingness. Nothingness. Nothingness.
which measure best describes the data set
The median.
A. Quantitative
the data value that is much higher or lower than the other data given is called an outlier
The best solution of data center cooling would best be answered by a professional as there are many things to factor when looking into data center cooling. If money is an issue then the energy efficient model would be the best solution. Cisco is a provider of data center cooling and could better access one's needs.
The mode.