Compute the mean, median, and mode strength of the concrete (in psi). A concrete

Question

Compute the mean, median, and mode strength of the concrete (in psi). A concrete mix is designed to withstand 3000 pounds per square inch (psi ofpressure The following data represent the strength of nine randomly selected casts (in 3970, 4100, 3200, 3200, 2940. 3820, 4090, 4040, 3760 Compute the mean, median and mode strength of the concrete (in psi) the mean strength of the concrete. Select the correct choice below and if necessary, fill in the answer box to complete your choice compute O A. The mean strength of the concrete is psi of pressure (Round to the nearest tenth as needed) O B. The mean does not exist. choice Compute the medan strength of the concrete select the comect choice below and inecessary fill in the answer box to complete your o A. The median strengh of the concrete is psi of pressure (Round to the nearest tenth as needed) Library O B. The median does not exist your choice Compute the mode strength concrete the conect choice below and if necessary. fill in the answer box to complete of the Select Click to select and enter your answer(s)

Explanation / Answer

Mean = (3970+4100+3200+3200+2940+3820+4090+4040+3760)/9 = 3680 psi of pressure

Data in ascending order

2940, 3200, 3200, 3760, 3820, 3970, 4040, 4090, 4100

median is the middle number, 5th number = 3820 psi of pressure

Mode is the data with maximum frquency = 3200 psi of pressure

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