3. Fill in the blank. Class width is found by Choose the correct answer below. A. subtracting a lower class limit from the next consecutive lower class limit B. subtracting the lower limit of one class from the upper limit of that same class C. subtracting the smallest value in the data set from the largest value in the data set D. adding the lower class limit to the upper class limit and dividing by two 4. The population of ages at inauguration of all U.S. Presidents who had professions in the military is 62, 46, 68, 64, 57. Why does it not make sense to construct a histogram for this data set? Choose the correct answer below. A. With a data set that is so small, the true nature of the distribution cannot be seen with a histogram. B. There must be an even number of data values in the data set to create a histogram. C. Adequate class boundaries for a histogram cannot be found with this data set. D. This data set would yield a histogram that is not bell-shaped.