11. The scarcity of toads could have been a normal population response to an unpredictable environment. 12. For the normal population , it doesn't work that way. 13. The normal population of 500 swells to 3, 000 or more as hotels fill up. 14. Those in outpatient treatment average about 78 and the normal population is less than 47. 15. Skin lipomas occur relatively often in the normal population . 16. Normal population growth rates began to reestablish themselves after approximately the first decade of such contact.17. A chart of "'reference ranges for blood tests "'sorted by mass and normal population would fall. 18. Fighting has pushed hundreds of thousands of civilians into Monrovia, swelling the normal population of 1 million. 19. This questionnaire has been used to show that gelotophobia exists, to varying degrees, in a normal population . 20. Let ? denotes the bivariate normal population .