Refer to the data of Exercise 17.28. If 40 pages are to be sampled, determine how many sampled pages would be technical under each of the following schemes.
In exercise

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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Technical 120 20 1.6 0.98 Nontechnical 180 20 0.74 0.56 N. 1 Pli xj