tween 99-5 and 149-5 hours is the area under the two rectangles whose class marks are 112 and 137. ... that estimated probabilities can be obtained from areas of a relative frequency histogram and that the total area under the histogram equals unity. ... DENSITY FUNCTION To make probability statements about a continuous variable a probability density function (p.d.f.) is generally used rather than theanbsp;...
|Title||:||Statistical methods for quality control|
|Author||:||Andrew Kennedy Skilling Jardine, J. D. Macfarlane, C. S. Greensted|
|Publisher||:||Heinemann Educational Books - 1975-09-29|