How to Calculate the Median. The median is the middle score of a distribution. Consider this set of numbers: 5, 7, 9, 9, 11. Since you have an odd number of scores, the median would be 9. Now, what happens when you have an even number of scores so there is no single middle score. Consider this set of numbers: 1, 2, 2, 4, 5, 7. Since there are an even number of scores, you need to take the average of the middle two scores.
The platypus (Ornithorhynchus anatinus) also known as the duck-billed platypus is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania.
A male duck is called a âdrakeâ, you can identify the male duck by its brightly coloured feathers. They use these coloured feathers to attract the female ducks for mating. Here is a beautifully coloured Drake with a purple plumage, shiny green head colouring, silvery white body and grey wings with blue markings.ucks also have shorter necks and wings and a stout body. A female duck is called a âhenâ, they are identified by their very-dull, brown feathers. The females have dull-brown feathers so that they can hide from enemies and predators. They can also camouflage themselves in their nests and also protect their young.