Wealth quartiles were defined according to age group and country, with quartile 1 comprising the poorest participants and quartile 4 the wealthiest. Mortality and Kaplan–Meier curves were ...

The bottom quartile is made up of students from various ... But smartphones also take time away from other activities. Children (and adults) are reading fewer books than in the past, with low ...

The greatest gain in lifetime per hour of walking was seen for individuals in the lowest activity quartile where an additional hour’s walk could add 376.3 min (~6.3 hours) of life expectancy (95% ...

In order to calculate this value we must first understand what the lower quartile, median and upper quartile are: the lower quartile is the median of the lower half of the data. The \(\frac{(n+1)}{ ...

The range of a set of numbers is the largest value, subtract the smallest value. \(range = largest~number - smallest~number\) 7 babies are weighed and weigh the following amounts: 2.5 kg, 3.1 kg ...