Answer these questions step by step please. Explain everything and clearly.. Thank you very much..
Posted: Thu Feb 17, 2022 10:58 am
Answer these questions step by step please. Explain everything and clearly.. Thank you very much..
4. Consider the following observations on shear strength of a joint bonded in a particular manner: 30.0 4.4 33.1 66.7 81.5 22.2 40.4 16.4 73.7 36.6 109.9 a. Determine the value of the sample mean. b. Determine the value of the sample median. Why is it so different from the mean?
5. Corrosion of reinforcing steel is a serious problem in concrete structures located in environments affected by severe weather conditions. For this reason, researchers have been investigating the use of reinforcing bars made of composite material. One study was carried out to develop guidelines for bonding glass-fiber-reinforced plastic rebars to concrete. Consider the following 10 observations on measured bond strength. Compute for the sample variance and sample standard deviation. 11.5 12.1 9.9 9.3 7.8 6.2 6.6 7.0 13.4 17.1
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5. Corrosion of reinforcing steel is a serious problem in concrete structures located in environments affected by severe weather conditions. For this reason, researchers have been investigating the use of reinforcing bars made of composite material. One study was carried out to develop guidelines for bonding glass-fiber-reinforced plastic rebars to concrete. Consider the following 10 observations on measured bond strength. Compute for the sample variance and sample standard deviation. 11.5 12.1 9.9 9.3 7.8 6.2 6.6 7.0 13.4 17.1