A.histogram B.ogive C.stem and leaf chart D.pie chart
A.the number of classes must be less than 10 B.each data point can only fall into one class C.the width of each class is equal to the range D.the number of intervals must be an odd number
A.it contains more class intervals B.the values of the original data are retained C.the class midpoints are used as the stem D.the class midpoints are used as the leaf