![]() The point is that we are surrounded by data. Sakau data suggested that sakau strength was related to the distance from Kolonia. I asked some of the markets to share their cup tally sheets with me, and a number of the markets obliged. This implied a relationship between the strength of sakau and the distance from the centrally located town of Kolonia. While researching sakau consumption in markets here on Pohnpei I found differences in means between markets, and I found a variation with distance from Kolonia. This allowed an analysis of the hue angle at the center of the rainbow. Could the middle of the rainbow actually be at 180° cyan, or was Newton correct to say the middle of the rainbow is at 120° green? I used a hue analysis tool to analyze the image of an actual rainbow taken by a digital camera here on Pohnpei. And there is no cyan in Newton's rainbow. Green is not the middle of the hue color wheel. I knew that Newton had put green in the middle of the red-orange-yellow-green-blue-indigo-violet rainbow, but green is at 120° on a hue color wheel. The hues were based on a color wheel with cyan at the 180° middle of the wheel. One term I learned that a new Cascading Style Sheets level 3 color specification for hue, luminosity, and luminance had been released for HyperText Markup Language web pages. "The dump trucks are basically priced by a linear relationship between horsepower and price." The representative included a complete list of horsepower and price Terex articulated dump trucks. "Funny you should ask," a Terex sales representative replied in writing. I wrote to Terex in Scotland and asked them about how the prices vary for the dump trucks, explaining that I teach statistics and thought that I might be able to use the data in class. I found pictures of Terex™ dump trucks on the Internet. I also ran a survey of students and determined that the college students prefer Kikkoman to Yamasa.Īs a child my son liked articulated mining dump trucks. I eventually showed that the mean price per milliliter for Yamasa was significantly higher than Kikkoman. I recorded Yamasa and Kikkoman soy sauce prices and volumes, working out the cost per milliliter. I walked into a store back in 2003 and noticed that Yamasa™ soy sauce appeared to cost more than Kikkoman™ soy sauce. I later incorporated this data into the fall 2007 final. I later find that a linear correlation does exist, and I am able to show by a t-test that the faster jumpers have statistically significantly higher jump counts. I used my stopwatch to record the time and total jump count. I saw that I could begin to predict jump counts based on the starting rhythm of the jumper. Then I noticed that faster jumpers attained higher jump counts than slower jumpers. With a mode, median, mean, and standard deviation. The number of jumps for each jumper until they fouled out was being recorded on the wall. I walked into a school fair and noticed a jump rope contest. We all walk in an almost invisible sea of data. Hypothesis testing against a known population mean.Introduction to the normal distribution. ![]()
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