Here is data on Consumption (Y) and Disposable Income (X). Calculate the coefficient b. Disposible Consumption Income 12,575 15,150 12,952 15,605 13,276 15,995 13,714 16,522 13,864 16,704

Economics jj Consider the partial data set in the table represents online hours spent shopping by age and income. Using the min-max transformation to normalize Income, what is the average standard deviation of Income for the chart provided? Use the min-max transformation to normalize the observations for Income spent online. Age ID 2,201 2,202 2,203 2,204 2,205 2,206 Income 57,000 57,000 54,000 17,000 37,000 45,000 Multiple Choice 1.000 0.6875 51 48 45 35 33 31 Online Hours S459N4 2

A commercial airline is analyzing the price scale for round trip flights between New York and Pennsylvania. The sooner the c buys the ticket, the cheaper the ticket price is. The sales manager collected information for the last year on how many cust bought their tickets at each price: Ticket Price (in dollars) # of Customers (in thousands) 5 15 23 27 20 89 125 135 150 178 198 10 What is the coefficient of correlation between the ticket price and the number of customers purchasing at that price? Answer:

The value of MPS is 0.87 Find the value of MPC

A B C E K L M N A common perception is that airline profits are strongly correlated with the price of oil. The Following are annual net incomes of American Airlines together with the approximate price of oil in the period 2005-2010: 3 a. Populate the table American Net Income (S million) (y) Barrel Oil ($) Year ху (x) 4. 5. 1 2005 56 -850 6 2006 63 250 7. 3 2007 67 450 8. 4 2008 92 -2100 2009 54 -1450 10 6. 2010 71 -700 11 12 13 14 b. What is Ex? 15 16 c. What is Ey 17 18 d. What is n? 19 20 e. What is Exy 21 22 £. What is (Ex²) 23 24 g. What is (Ex) 25 26 h. Obtain a regression line (obtain the coefficients) showing American's net income as a function of the price of oil 27 28 29 30 31 32 i. Obtain the coefficient of correlation r 33 34 35 Use the data analysis tool in Excel to obtain the coefficients in part 1(h). Copy and Paste your regression output 37 below. 36 38 39

MOER The table below shows how supply and demand Price ($/gal) Demand (million of gal.) 1 1.2 790 700 1.4 640 1.6 580 1.95 497 2.2 450 2.4 430 2.6 420 2.8 390 3 360 Note: there is some randomization in the above data to account for price fluctuations. Make sure to check that you input the correct data in your device. Perform the following work • Assume that Supply has a quadratic relationship with the price. Find this relationship (the help buttons contain an article to compute trend-lines in Excel): -21.935p² + 207.365p+339.085 Round your answer to 3 decimal places S(p) ● D(p): = 1.53 • Assume that the Demand has a quadratic relationship with the price. Find this relationship (the help button links to an article to compute trend-lines in Excel): 85.561p² - 543.789p + 1236.729 Round your answer to 3 decimal places Video Solve | Sn... of gasoliine vary depending on the price: Supply (million of gal.) 511 550 600 641 660 680 700 720 735 786 605 - • Use the trendlines to find the price…

Interpret the coefficients and calculate the price elasticity of soft drink demand.

Exercise D6 What is on the axes of an expenditure-output diagram?

What type pf correlation does the graph show ?

(c) Calculate the new Gini Coefficient for Algura when income changes as follows: