Which measure of dispersion do you use for a frequency distribution with open-end class?

The mid-value of a class-interval of a frequency distribution is 10 and the class-length of each class is 6, The lower class limit of the class-interval is

Which stem do you use as food?

How would you construct a frequency distribution of a continuous variable?

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.

The class-mark of a class interval of a frequency distribution is m and its class-length is l. Find its lower and upper class-limits.

The mid-value of a class-interval of a frequency distribution is x and its lower -boundary is y. Then its upper -boundary=

In which stage of cell division do you find bouquet stage.

A company manufactures car batteries of particular type. The life (in years) of 40 batteries was recorded as follows: Construct a grouped frequency distribution table with exclusive classes for this data, using class intervals of size 0.5 starting from the interval 2-2.5.

The blood group of 36 students of IX class are recorded as follows Represent the data in the form of frequency distribution table. Which is the most common and which is the rarest blood group among these students?

Find th median and mode of the diameters(in mm) of 80 pipes, the frequency distribution of which is given in question number 16 in exercise-1.