The difference between the upper and the lower class limits is called(a) mid-points(b) class size(c) frequency(d) mean

The difference between the upper and the lower class limits is called(

1.	The difference between the upper and the lower class limits is called(a) mid-points(b) class size(c) frequency(d) mean
Answer» The difference between the upper and the lower class limits is called (a) mid-points (b) class size (c) frequency (d) mean