2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water. 3. What would your experimental approach be to test this hypothesis? 4. What are the independent and dependent variables? 5. What is your control? 6. What type of graph is appropriate for this data set? Why? 7. Graph the data from Table 2 (above) in the space below. 8. Interpret the data from the graph made
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Purpose and Hypothesis: Purpose To determine if light intensity affects the rate of growth in Brassica rapa. Hypothesis If the plant that is exposed to high intensity light grows more‚ then plants can adapt to absorb more photons for photosynthesis. Eventually‚ the rate of photosynthesis will top out‚ and stop increasing‚ due to the lack of one of the components necessary for photosynthesis. Background: Photosynthesis is a process used primarily by plants but sometimes by other organisms to
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changes in the selected variables. The Variables that we selected were stem length‚ root length‚ the amount of leaves that grew on a plant and the overall size of the plant measured in height. For this experiment‚ we had three test groups‚ the first two groups had five seeds and the third group has 10 seeds. The reason for that is because we introduce the third group to interspecific competition. We wanted to find out if variables such as competition will have an effect on the plants development
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A complete sample is a set of objects from a parent population that includes ALL such objects that satisfy a set of well-defined selection criteria. For example‚ a complete sample of Australian men taller than 2m would consist of a list of every Australian male taller than 2m. But it wouldn’t include German males‚ or tall Australian females‚ or people shorter than 2m. So to compile such a complete sample requires a complete list of the parent population‚ including data on height‚ gender‚ and nationality
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Online Mock Test and Exam Management System Abstract Online Examination System is a software solution‚ which allows a particular company or institute to arrange‚ conduct and manage examinations via an online environment. This can be done through the Internet‚ Intranet and/or Local Area Network environments. Some of the problems faced by manual examination systems are delays in result processing‚ filing poses a problem‚ filtering of records is not easy‚ The chance of loss of records is high
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Hypothesis testing begins with the assumption that randomization is used to collect quantitative data about the sample and that the distribution of this data has a normal shape. Significance tests state two explanations‚ or hypotheses‚ about a parameter. One‚ called the null hypothesis‚ states that the parameter equals some value (usually 0). The other‚ called the alternative hypothesis‚ states that the parameter is greater than‚ less than or (not) equal to the value stated in the null hypothesis
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Question- Does adding peat moss to sand affect its ability to hold water? Hypothesis- If I add peat to sand‚ then the peat moss will hold most of the water because the peat moss can hold large amounts of water. Variables- Manipulated Variable- adding peat moss to sand Responding Variable- peat moss can hold most of the water amount Levels- 100% sand‚ 60% sand/40% peat moss‚ 40% sand/60% peat moss‚ 80% sand/ 20% peat moss Trials- 5 Constants- same amount of water‚ same kind of containers‚ same sand
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A hypothesis is a speculation or theory based off of insufficient evidence which can later be tested to be proven true or false. An example of a hypothesis would be testing if one type of drug performed better to prevent seizures than the other. A Null hypothesis is a hypothesis that says there is no statistical significance between variables in a given hypothesis. An example of a null hypothesis would be there is no statistical relationship between which type of drug used and the amount of prevented
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Department of Education Office of Federal Student Aid Data Migration Roadmap: A Best Practice Summary Version 1.0 Final Draft April 2007 Data Migration Roadmap Table of Contents Table of Contents Executive Summary ................................................................................................................ 1 1.0 Introduction ......................................................................................................................... 3 1.1 1.2 1.3 1.4 Background
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CASE SUMMARY Lok Kim Sun is an estate manager who tried to single-handedly managing 28‚500 acres of estate with 2500 employees. Even though he work his way up to his position now as an estate manager‚ he is extremely afraid of making mistake. This could be partly because of his immediate superior attitude‚ Henry Davidson who tends to look down to others and tends to adopt a very autocratic military attitude. Lok feels that he must know every details of the estate operation so that he can thoroughly
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