_________ 9. A systematic sample with a random start is good when the characteristics of the population frame are homogeneous. _________ 10. In general, statisticians believe that 30 is a large sample. _________ 11. A population is the entire group of items or individuals of interest in a study. _________ 12. The stratified sample can be selected through the use of the lottery method and the use of the table of random numbers. _________ 13. The multi-stage sample is commonly used by the salesmen to promote their products. _________ 14. If one is interested to know what the most popular TV programs are and uses the telephone, then this is a convenience sample. ________ 15. Sampling technique is the method or process of taking a part of the population or deriving such sample