Experiment N | Kinetics of the Depolymerization of Diacetone Alcohol via Basic Catalysis | | Ingrid Tafur -5672578 | 2/11/2011 | CHM233O Partner: Laura Marrongelli Demonstrator: Cheryl McDowall Objective The rate constant of the depolymerization of diacetone alcohol via basic catalysis was determined by monitoring the change in volume as a function of time at constant temperature of a pseudo first order reaction where the species in excess was sodium hydroxide. This was accomplished
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greater than zero‚ upward sloping. This is scale dependent. Sample Correlation This is scale independent: between -1 and 1‚ close to 1 is upward‚ 0 is central‚ -1 is downward sloping. Finding the regression Regression formula with one regressor Slope Intercept Finding R2 TSS=ESS+SSR The Coefficient of Determination = R2 This gives the total fit of ‚ between 0 (chance) and 1 (perfect prediction) Standard Errors Standard Error of the Regression Standard error of
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Submitted By: Ma. Karla Rachelle Ulibas Student Submitted To: Mr. Ray-ann Buenafe Instructor HISTORY OF TRIGONOMETRIC FUNCTIONS Trigonometric functions seem to have had their origins with the Greek’s investigation of the indirect measurement of distances and angles in the “celestial sphere”. (The ancient Egyptians had used some elementary geometry to build the pyramids and remeasure lands flooded by the Nile‚ but neither they nor the ancient Babylonians had developed the concept of
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SECURITY ANALYSIS AND POR TFOLIO MANAGEMENT LESSON 6: MEASUREMENT & EVALUATION OF RISK How does we Measure Risk? Understanding the nature of the risk is not adequate unless the investor or analyst is capable of expressing it in some quantitative terms. Expressing the risk of a stock in quantitative terms makes it comparable with other stocks. Measurement cannot be assures of percent accuracy because risk is caused by numerous factors as discussed above. Measurement provides an approximate
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the same activity of the unknown solution) and obtaining a set of E-values for these standards -A graph is then plotted from the corresponding E-values vs. the logarithm of the concentration of Cl-. Once all the data points have been plotted‚ the slope of the line is determined (found by using a least squares
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money on only two goods‚ bananas and scones. Bananas cost $0.60/kg‚ and scones cost $0.50 each. a) (1) Sketch Rajan’s budget constraint if he has an income of $10.00/day. (Put bananas on the horizontal axis.) Ans: horizontal intercept = $10.00/$0.60=50/3; vertical intercept = $10/00/$0.50 = 20 must label axes ( deduct ½ mark if axes not labeled). Rajan has well-behaved preferences‚ and his optimal bundle contains 10 scones. b) (2) Illustrate his optimal bundle in your diagram for (a); label it
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CORRELATION & LINEAR REGRESSION Prof. Jemabel Gonzaga-Sidayen Spearman rank order correlation coefficient rho (rs) • Spearman rho is really a linear correlation coefficient applied to data that meet the requirements of ordinal scaling • Formula: rs = 1 - 6 Σ D i 2 N3 - N – Di = difference between the ith pair of ranks – R(Xi) = rank of the ith X score – R(Yi) = rank of the ith Y score – N = number of pairs of ranks Try this Subject Proportion of Similar Attitudes (X) Attraction (Y) Rank of
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increase as well. So the weight is the dependent variable b. Produce a scatter plot and insert the result here. * Scatter plot c. Find the equation of the regression line‚ Write it in the form of y=a+bx‚ where a is the y-intercept and b is the slope. * Y=-84.2941 + 0.79941x d. Add the regression line to the graph and insert the result here * Regression line e. Calculate the correlation coefficient * R= 0.9551913 Problem 2. a. Explain which variable
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by University of Phoenix. All rights reserved. Course Description This course applies quantitative reasoning skills to business problems. Students learn to analyze data using a variety of analytical tools and techniques. Other topics include formulas‚ visual representation of quantities‚ time value of money‚ and measures of uncertainty. Policies Faculty and students/learners will be held responsible for understanding and adhering to all policies contained within the following two documents:
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the equation into slope-intercept form. Identify the slope and y-intercept of the equation. Be sure to show all of your work. Describe how you would graph this line using the slope-intercept method. Be sure to write in complete sentences. Write the equation in function notation. Explain what the graph of the function represents. Be sure to use complete sentences. Graph the function using one of the following two options below. On the graph‚ make sure to label the intercepts. You may graph your
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