The most frequent marks obtained among 22, 23, 24, 23, 24, 23, 22, 25 and 25 is ____.

Q. What is the mode for the data 20, 20, 20,21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 24, 24, 25 ?

Q. Find the median of:
$21,21,22,23,23,24,24,24,24,25$ and $25$.

Q. The marks obtained by 20 students in Statistics and Economics are given below . Prepare a bivariate frequency distribution.

Marks in Statistics	10	11	10	11	11	14	12	12	13	10	13	12	11	12	10	14	14	12	13	10
Marks in Economics	20	21	22	21	23	23	22	21	24	25	24	23	22	23	22	22	24	20	24	23

Q. Marks obtained by 24 students in English and Statistics in a class are given below . Prepare two-way frequency distribution table.

S.No	1	2	3	4	5	6	7	8	9	10	11	12
Marks in English	22	23	23	23	23	24	23	25	22	23	24	24
Marks in Statistics	16	16	18	16	16	17	16	19	16	18	18	17

S.No	13	14	15	16	17	18	19	20	21	22	23	24
Marks in English	23	25	23	22	27	27	26	28	25	24	23	25
Marks in Statistics	16	17	17	17	15	16	18	19	19	16	17	19

Q. Marks scored by Hari in $5$ test (out of $25$ marks) are given:
$24,22,23,23,25$. Find his average score