We calculated country level rates of breast feeding by age group as infant population weighted averages of age specific feeding rates. |
A wind rose is a graphic chart that averages these recorded wind directions and speeds and plots them about a circle. |
Figure 4 shows five-year moving averages of the mean absolute value of the ratio of the current account balance to GDP for twelve countries. |
The kilojoule value of some of these drinks varies slightly between brands and the figures are averages. |
For each proxy, whether we use unweighted or weighted averages, either 7 or 8 out of 11 mean alphas are negative. |
In the early 18th century, the English mathematician Roger Cotes computed weighted averages of measurements made by different astronomers. |