7. The least square curve of the form y = ab* to the following data is (a) y = 3 ex In2 (c) y = 3 e2 Inx O a O b O d X y 2 8.3 3 15.4 4 33.1 5 65.2 6 127.4 (b) y = 3 (2)* (d) None of the above
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- In an effort to make the distribution of income more nearly equal, the government of a country passes a tax law that changes the Lorenz curve from y = 0.98x2.1for one year to y = 0.32x2 + 0.68x for the next year. Find the Gini coefficient of income for both years. (Round your answers to three decimal places.) after beforeFind the total differentials of w=2z2 ysinxdf between = df within = F Critical = SS Between = SS within = MS between = MS within = F = R^2= Fail to reject the null or reject the null hypothesis?
- 2) The y = Inx curve is rotated around the x-axis in the range 0A jar contains 100 mL of a certain substance which, when heated to tt degrees Celsius contains E(t) = 2.3 t^2 - 4.5E(t)=2.3t2−4.5 Joules of thermal energy. Assuming that the thermometer measuring the temperature of the substance is accurate to within 0.20.2 degrees Celsius. Find \displaystyle \frac{dE}{dt}dtdE first, and then use differentials to estimate the possible error in the calculated thermal energy at t = 60t=60 degrees.1-What these statistics tell you about the kurtosis of the variables:
- Jesaki Inc will sell N units of product after spending $x thousand in advertising, as given by N= 66 x−x2. Use differential approximations to estimate the increase in sales that will result by increasing the advertising budget from $10,000 to $10,589. Round to the nearest integer. $Suppose f is differential equation on (-inf, +inf), f(3)=12 and f'(3)=-2 use linear approximation to estimate f(3.3).Calculate the time for 10 per cent of the sites on a (100) tungsten surface with a bec unit cell and a lattice constant of 316 pm to be covered with nitrogen at 298K when the pressure is 2 x 10 mmHg and the sticking probability is 0.55
- 6) use differentials to find approximate valueSuppose that the total cost of manufacturing x units of a certain commodity isC (x) = 2?2 + 6? + 12. Use differentials to approximate the cost of producing the 21st unit.Compare this estimate with the cost of actually producing the 21st unitIs there a way to solve this w/o using L'Hospital's rule?