Sixth Volume of the Public Papers of President Barack Obama Available. The sixth volume of the Public Papers of President Barack Obama is now available. These volumes are produced right here at the Office of the Federal Register (OFR) by our...
Upper Quartile Definition and Formula. The upper quartile is the median of the upper half of a data set. This is located by dividing the data set with the median and then dividing the upper half that remains with the median again, this median of the upper half being the upper quartile.
The upper quartile (Q3) is the point between the lowest 75% and highest 25% of values. It is also called the 75th percentile. The variance and the standard deviation are measures of the spread of the data around the mean.They summarise how close each observed data value is to the mean value. In datasets with a small spread all values are very close to the mean, resulting in a small variance and standard deviation.he upper quartile (Q3) is the point between the lowest 75% and highest 25% of values. It is also called the 75th percentile. The variance and the standard deviation are measures of the spread of the data around the mean.