# Question: Refer to the data of Exercise 17 27 If 80 managers

Refer to the data of Exercise 17.27. If 80 managers were sampled, determine how many sample members would be from subdivision 1 under each of the following schemes.

a. Proportional allocation

b. Optimum allocation, assuming that the stratum population standard deviations are the same as the corresponding sample quantities

a. Proportional allocation

b. Optimum allocation, assuming that the stratum population standard deviations are the same as the corresponding sample quantities

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