The deterioration of many municipal pipeline networks across the country is a gowing conoer technology proposed for pipeline rehabilitation uses a flexible liner threaded through existing pipe article Effect of Welding on a High-Density Polyethylene Liner (J. Mater. Civil Eng the following data on tensile strength (psi) of liner specimens both when a certain and when this process was not used. No Fusion :: 2748 2700 2655 2822 2511 3149 3257 3213 3220 2753
Yes Fusion :: 3027 3356 3359 3297 3125 2910 2889 2902

Required:
a. Compare the mean tensile strengths at the 95% confidence level.
b. Perform a COMPLETE APPROPRIATE analysis.

As a result of a labeling mistake at the chemical factory, a farmer accidentally sprays weedkiller rather than fertilizer on half her land. as a result, she loses half of her productive farmland. if the property of diminishing returns applies to all factors of production, she should expect to seea. a decrease in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. b. an increase in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. c. an increase in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor. d. a decrease in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor.