12. The term frequency is synonymous with the of measurements. 13. The most probable value is referred to as a/an 14. A plot of the residuals and frequencies is commonly called a 15. Almost all surveying measurements when plotted conform to a a. suitable precision b. s-curve c. probability curve d. Taylor's series 2 16. The term standard deviation is a way of describing 17. The value of the area under the probability curve between the points of inflection represents how much of the total area under the curve a. 50% b. 68% C. 85% d. 100%