question_answer

Fill in the blanks.

(i) The P of class interval is called its class mark.

(ii) The Q can be calculated graphically.

(iii) The R of all bars in histogram should be equal.

(iv) Width of the class interval called S of class interval.

A)

P	Q	R	S
Lower value	median	width	range

               

B)

P	Q	R	S
Mid-value	mean	length	range

               

C)

P	Q	R	S
Mid-value	median	width	size

D)

P	Q	R	S
Upper-value	mode	length	size