The following table gives the distribution of 45 students across the different levels of Intelligent Quotient. Draw the histogram for the data.

Cumulative frequency table is given below. Which type of cumulative frequency is given. Try to build the frequencies of respective class intervals.

Number of readers in a library are given below. Write the frequency of respective classes. Also write the less than cumulative frequency table.

Construct a histogram for the marks obtained by 600 students in the VII class annual examinations.

Weekly wages of 250 workers in a factory are given in the following table. Construct the histogram and frequency polygon on the same graph for the data given.