# Question: Refer to the data of Exercise 17 3 If a total

Refer to the data of Exercise 17.3. If a total sample of 160 households is to be taken, determine how many of these should be from subdivision 1 under each of the following schemes.

a. Proportional allocation

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

a. Proportional allocation

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

**View Solution:**## Answer to relevant Questions

Refer to the data of Exercise 17.4. If a total sample of 100 students is to be taken, determine how many of these should be freshmen and sophomores under each of the following schemes. a. Proportional allocation b. Optimum ...A market-research organization wants to estimate the mean amounts of time in a week that television sets are in use in households in a city that contains 65 precincts. A simple random sample of 10 precincts was selected, and ...A college has 3,200 undergraduate students and 800 graduate students. Researchers are interested in the amount of money spent in a year on textbooks by these students. Initially, simple random samples of 30 undergraduate ...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 ...A college has 152 assistant professors, 127 associate professors, and 208 full professors. A journalist with the student newspaper was interested in whether faculty members were actually in their offices during posted office ...Post your question