Question

draw a less than Type orgive c.i 5-10 10-15 15-20 20-25 25-30 30-3535-40 f 2 12 2 4 3 4 3​

Answer 1

$\large\underline{\bf{Solution-}}$

Given data is

$\begin{gathered} \begin{array}{|c|c|} \bf{Class \: Interval} & \bf{Marks} \\ 5 - 10 & 2  \\10 - 15 & 12 \\15 - 20 & 2 \\20 - 25 & 4 \\25 - 30 & 3\\30 - 35 & 4\\35 - 40 & 3 \end{array}\end{gathered}$

Less than frequency distribution table

$\begin{gathered} \begin{array}{|c|c|} \bf{Less \: than} & \bf{Marks} \\ 10 & 2  \\15 & 14 \\20 & 16 \\25 & 20 \\30 & 23\\35 & 27\\40 & 30 \end{array}\end{gathered}$

Please find the attachment for less than ogive graph.

Additional Information :-

More than frequency distribution table

$\begin{gathered} \begin{array}{|c|c|} \bf{More \: than} & \bf{Marks} \\ 5 & 30  \\10 & 28 \\15 & 16 \\20 & 14 \\25 & 10\\30 & 7\\35 & 3 \end{array}\end{gathered}$

Answer 2

Answer:

Answer in the attachment.