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Political Poll
1,076 wordsThe web site I chose to critique explains political polling and the statistical process behind the polling numbers. This was of particular interest to me, because I like many other Americans have never been asked nor know of anyone that has been asked a political question used in political polling. In short, the site explains what the numbers actually mean. The site uses a fictional mayoral election to explain the numbers. Also, it discusses margin of error and how it affects the polls. Next, th...
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Dna Samples
2,724 wordsDNA and Restriction Enzyme Interaction: Identification Of An Unknown Plasmid Abstract The fundamental purpose of these experiments is to research the interaction between DNA molecules and restriction enzymes. Two different experiments are performed. In the first experiment, two restriction enzymes, Hind and Bam H 1 interact with an unknown plasmid and the resulting DNA fragments are separated through electrophoresis. Lambda sample is used to create a standard curve, and through it, the sizes of ...
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Composition Of Neptune's Rings
504 wordsAndrea Rhodes P. 1 11/5/01 NEPTUNE I have been selected as one of five people to go on a mission to Neptune; we are to attempt to gather rock samples from two moons, Triton and the very irregular shaped moon Proteus. We also must gather samples from, the rings of Neptune and we need to gather readings on the three major storms on Neptune (the small dark spot, the great dark spot and scooter. It's December 30, 2007 and we took off today. With new technology we should reach Triton on August 2, 200...
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Pure Algae Populations Of Ankistrodesmus And Chorella
1,527 wordsAbstract This experiment tested the hypothesis that the pure algae populations of Ankistrodesmus and Chorella will show growth in the number of organisms, and the mixed population will establish a dominant species. Each population should also reach its carrying capacity. All of the populations had the same resources available. The sampling of 0.5 ml of each population was used to count the number of organisms. A Neubauer slide and microscope will be needed to do this. From this count, determine ...
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14 1 Q 6 The
328 wordsLab 4 Q. 1 The missing answers for the variable number of children are 5. Q. 2 The number of valid answers for the variable marital status is 1499. Q. 3 The number of valid answers for the variable labor force status is 1500. Q. 4 The number of divorced people is 213. Q. 5 The total percentage of people in this sample who said marijuana use should be made legal is 14.1%. Q. 6 The valid percentage of people in this sample who said marijuana use should be made legal is 22.7%. Q. 7 The percentage o...
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Accurate Sampling Technique O Telephone Interviews
1,128 words1 Sampling Methods When surveying, for any purpose, it is important to recognise that the results are only as representative as the survey subjects (the sample), and as such much academic research has been performed in to techniques for selection, broadly placing them in one of two categories - probability sampling and non-probability sampling. In short, with probability sampling the participants are selected by chance. There are dozens of methods of selecting members, using a variety of mathema...
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N Sample Size The Variances
992 wordsThe unit of observations were random samples of twenty-five various employees divided into two distinct, independent populations, smokers and non-smokers. Then data on their absences from work for the previous year were obtained and used in this statistical inference. Because of a strong association between smoking and ill-health, it is generally accepted that smokers miss more work than their non-smoking counterparts. Does the smoker miss more work than the non-smoker? Data from these random sa...
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Foam Pig Towards The Offshore Platform
3,594 wordsAggressive moves counter SRB in flooded subsea pipeline Aggressive applications of biocide, use of hydrogen sulfide scavengers, and multiple pig runs can quickly eradicate even major infestations of sulfate- reducing bacteria in a repaired subsea natural gas pipeline following seawater incursion. Sample analysis made it possible to understand conditions within the pipeline and measure the treatment's effectiveness, allowing Williams Midstream to regain control of internal corrosion mechanisms an...
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3 Standard Deviations Of The Forecasted Value
1,911 wordsWhat Is Statistics? American Heritage Dictionary (R) defines statistics as: "The mathematics of the collection, organization, and interpretation of numerical data, especially the analysis of population characteristics by inference from sampling". The Merriam-Webster's Collegiate Dictionary (R) definition is: "A branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data". The steps of statistical analysis involve collecting informatio...
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Filipino Migrants In Oman
4,134 wordsSection 1 Introduction Oman has a population of 2,713,462! V including 527,078 expatriate workers (20% of the population). Prior to 1970 there were only three primary schools in the country, six miles of paved roads, and it was estimated that over 50% of the workforce was practicing in the agricultural sector, almost all on subsistence level. Since 1970 Oman has become an oil-rich nation, and typically labor migration, to make up their workforce, has been a very important part of oil-rich econom...
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