Question 9 (ii) 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: Number of lettersNumber of surnames1−464−6306−8448−121612−204 (ii) Write the class interval in which the maximum number of surname lie.

Question 9 (ii) 100 surnames were randomly picked up from a local tele

1.	Question 9 (ii) 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: Number of lettersNumber of surnames1−464−6306−8448−121612−204 (ii) Write the class interval in which the maximum number of surname lie.
Answer» Question 9 (ii) 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: $\begin{matrix} N u m b e r o f l e t t e r s & N u m b e r o f s u r n a m e s 1 - 4 & 6 4 - 6 & 30 6 - 8 & 44 8 - 12 & 16 12 - 20 & 4 \end{matrix}$ (ii) Write the class interval in which the maximum number of surname lie.