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1. Moisture content in percent by volume (x ) and con- ductivity in mS/m (y) were measured for 50 soil specimens. The means and standard deviations were x = 8.1, sx = 1.2, y = 30.4, sy = 1.9. The correlation between conductivity and moisture was computed to be r = 0.85. Find the equation of the least-squares line for predicting soil conductivity from moisture content.
2. During times in days (x ) and compressive strengths in MPa (y) were recorded for several concrete speci- mens. The means and standard deviations of the x and y values were x = 5, sx = 2, y = 1350, sy = 100. The correlation between curing time and compressive strength was computed to be r = 0.7. Find the equation of the least-squares line to predict compressive strength from curing time.
Prepare a graph showing Average Fixed Costs and Average Variable Costs.
"The thing a lot of people don't understand about e-commerce is the degree to which it is a scale business. While a conventional retailer might have to double its capital spending to double sales, Amazon's costs are largely fixed.
1)Determine if the benefits of free trade outweigh the drawbacks, and what could be done to address the drawbacks (if anything).2)State whether you believe fair trade is a fad or a trend. Provide support for your reasons.
implications for trade within the trading group and for the United States?
Write a six to eight page paper modeled as a policy recommendation in which you briefly describe the economic problem you have selected.
consider the employee-employer relationship - an employee would like to be paid but also gets some benefit by
what are the problems with inflation itself? be specific. is the real inflation that consumers have in their real-life
Derive the Marshallian demand functions and the indirect utility function - derive the expenditure function from it and then derive the Hicksian demand function.
competitive dynamics in the banking sectorthe treasury presentation earlier in the week to the senate inquiry on
What do some of the key economic indicators tell us about how the two nations you chose are doing and different regions of the world did you choose and why is it interesting to compare these two in particular
The two points for the international income distributions reported in Table 8-1 can be used to make a rough calculation of the Gini coefficient. Use a spreadsheet to estimate the Gini coefficient for each country. Which three countries have the mo..
for i = 1, 2. Originally she faces prices p1 = p2 = $2 and has an income of $100. Then the price of good 1 increases to $4. Calculate the compensating and equivalent variations, given that Niki's utility function is u (x1, x2) = x1(1/2)x2(1/2).2. The..
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