A concrete mix is designed to withstand 3000 pounds per square
inch (psi) of pressure. The following data represent the strength
of nine randomly selected casts (in psi).
3960,
4090,
3200,
3000,
2950,
3830,
4090,
4040,
3780
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.
A.The mean strength of the concrete...