After presenting the main types of survey design, list sample design and area sample design, other important uses of sampling techniques in the statistical work, are also mentioned, such as the application of sampling in quality control of the field and data processing operations, pre-testing of questionnaires, and various statistical operations. The construction of frames is discussed in Chapter 7. The statistical theory and practice of survey design for agricultural surveys is beyond the scope of this publication, and the reader may consult the list of suggested references on survey methods for agricultural censuses and surveys included at the end of the chapter.
If you'd like to see the satellites of the planets as well, click here for a much more extensive page and a longer download time too! One of the most exciting excercises I ever did as a kid was to make a scale model of the Solar System.
Most of the pictures in my books made the distance between planets seem small and easy to travel.
Museums were no help either. The models they displayed usually had the sizes of the planets to scale, but the distances between them were a completly different scale, giving the impression of a rather close-knit family. I made my first scale model on a roll of teletype paper tape anyone remember that stuff?
On this 1-inch tape, my Sun was the size of the tape - 1 inch in diameter. It all started out well. What I didn't bargain for was that Pluto was feet down the tape!
I used up almost the entire roll. I also calculated the sizes that I should make the dots that represented the planets. The other planets, especially the small rocky inner planets, would be virtually invisible dust spots.
Needless to say, this was an eye-opening experience. This one excercise taught me the real meaning of the word "space. Now we have great tools like spreadsheets to do the numerical computations for us.
In these spreadsheets, you set the scale of the model by entering a radius for the Sun. The sheets should then calculate everything else based on this number.Sprinkler System Design. The Orbit Sprinkler System Designer allows you to draw all aspects of your landscape and produce a professional sprinkler system design.
6 11 Design patterns A design pattern provides a scheme for refining the subsystems or components of a software system, or the relation ships between them. It . RTI specializes in remote control products for A/V, lighting, security and more - for your home or office. Learn about our custom automation systems today.