Which of the following is correct? 1. Class width is the difference between largest and lowest value.
2. Class mark is obtained by dividing the sum of two values
3. Class boundary is the midpoint of the upper limit of one class and the lower limit of next class
4. Statistics is a descriptive measure of population.

nothing but atleast nothing as in nothing

b i think if not it should be a pretty sure but not

photography had emerged as an elite art pursued by a few creative individuals for a few wealthy patrons. but now, said bauldelaire, it was succumbing to "the great industrial madness of our times." it was becoming a mass production industry that catered to middle-class tastes, including a taste for gadgetry. the stereoscope, the first 3d imaging system, had turned looking at photographs into parlor entertainment. a "thousand hungry eyes were bending over the peepholes of the stereoscope as though they were the attic-windows of the infinite.