The class width is
a. all the given choices except the last one
b. the difference between two consecutive lower class limits
c. the difference between two consecutive class midpoints
d. the difference between two consecutive class points of the same type
e. the difference between two consecutive class boundaries
f. the value obtained by rounding up the difference between the largest and smallest sample values divided by the number of classes
g. the difference between two consecutive upper class limits
h. none of the above.

A. All the given choices except the last one.

Step-by-step explanation:

Class Width is the difference between two lower or upper consecutive class intervals. And when we don't have class interval then class width is the difference between the lowest and largest value divided by the number of classes.

Here, Option B, C, D, E, and G are correct because we take the difference between two class intervals at the same points. It does not matter whether we take the difference of upper, lower, mid-point or class point lie equidistant from either boundary all have the same values.

Option F is the case when data are not arranged in terms of the class interval. It is also correct.

Hence Option A is correct.

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step-by-step explanation: