In a continuous frequency distribution ,class mark of a class 15 and lower limit is 13, then the upper limit is:

The mid-value of a class-interval of a continuous frequency distribution is 42 and its class-length is 10.Find the lower and upper class-limits of the class-intervals.

In a frequency distribution, the mid-value of a class is 10 and width of each class is 6. The upper limit of the class is

In a frequency distribution, the mid-value of a class is 15 and the class intervals is 4. The lower limit of the class is 10 (b) 12 (c) 13 (d) 14

In a frequency distribution, the mid-value of a class is 15 and the class intervals is 4. The lower limit of the class is 10 (b) 12 (c) 13 (d) 14

In a frequency distribution, the mid value of a class is 10 and width of the class if 6. the lower limit of the class is

In a frequency distribution, the mid values of a class is 10 and width of the class is 6 . The lower limit of the class is

In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is

(i)Find the class mark of the class 90-120. (ii)In a frequency distribution, the mid-value of the class is 10 and width of the class is 6. Find the lowe limit of the class. (iii)The width of each of the five continuous classes in a frequency distribution is 5 and lowe class limit of the lowest class is 10. What is the upper class limit of the highest class? (iv) The class marks of a frequency distribution are 15,20,25...... Find the class corresponding to the class mark 20. (v)In the class intervals 10-20, 20-30, find the class in which 20 is included.

In a frequency distribution, the mid values of a class is 10 and width of the class is 6. The lower limit of the class is