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


Important Questions on Frequency Distributions of Grouped Data
The range of the data is

Which one of the following denotes an attribute?

The marks obtained in the Madhyamik exam is

The class-mark and class-length of a class-interval are and respectively. Find its lower and upper class-boundaries.

Find the frequency density of third class-interval of the given frequency distribution.
Class-interval | ||||
Frequencies |

Find the relative frequency of the second class-interval of the frequency distribution.
Class-interval | ||||
Frequencies |

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

Determine the third class-interval of the classes and find its lower and upper class-boundaries.
