Under _____ method, the upper class limit of one class is not equal to the lower class limit of the next class.
Under Exclusive method,
(a) the upper class limit of a class is excluded in the class interval
(b) the upper class limit of a class is included in the class interval
(c) the lower class limit of a class is excluded in the class interval
(d) the lower class limit of a class is included in the class interval
The class midpoint is equal to:
(a) The average of the upper class limit and the lower class limit.
(b) The product of upper class limit and the lower class limit.
(c) The ratio of the upper class limit and the lower class limit.
(d) None of the above.
Fill in the blanks : (i) Lower class limit of 15-18 is ___ . (ii) Upper class limit of 24-30 is ___. (iii) Upper limit of 5-12.5 is ___. (iv) If the upper and the lower limits of a class interval are 16 and 10; the class interval is ___. (v) If the lower and the upper limits of a class interval are 7.5 and 12.5; the class interval is ___.