A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pre

Question

A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The following data represent t strength of nine randomly selected casts (in psi). 3970,4080,3300,3000,2950,3820,4080,4040,3520 Compute the mean, median and mode strength of the concrete (in psi). Compute the mean strength of the concrete. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. The mean strength of the concrete is psi of pressure. (Round to the nearest tenth as needed.) The mean does not exist. Compute the median strength of the concrete. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. The median strength of the concrete is psi of pressure. (Round to the nearest tenth as needed.) The median does not exist. Compute the mode strength of the concrete. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. The mode of the strengths of the concrete is psi of pressure. (Round to the nearest tenth as needed.) The mode does not exist.

Explanation / Answer

answer :    A) the mean strength of the concrete is 3640 psi of pressure

                 A) the median strength of the concrete is 2950 psi of pressure

               A) the mode strength of the concrete is 4080 psi of pressure

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