Question

2.
25 values of two variables X and Y are given below. Form a two-way frequency table
showing the relationship between the two. Take class interval of X as 10-20,20-30,.....
and Y as 100- 200,200-300,.....
х
Y
х
х
Y
12
140
36
315
57
416
24
27
440
44
380
256
360
33
57
390
48
492
22
470
21
48
370
44
470
51
52
312
590
250
550
360
37
380
27
41
330
29
280
42
69
590
55
420
43
570
48
390
52
290​

Answer 1

Answer:

Following are the figures of marks obtained by 40 students. You ae required to arrange them in ascending and in descending order.

15 18 16 14 10 6 5 3 8 7

22 18 14 19 17 8 6 4 10 3

12 16 15 13 11 10 18 22 14 19

11 18 22 14 25 21 17 8 9 10

ANSWER:

Marks in Ascending Order:

3, 3, 4, 5, 6, 6, 7, 8, 8, 8, 9, 10, 10, 10, 10, 11, 11, 12, 13, 14, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18 ,19, 19, 21, 22, 22, 22, 25

Marks in Descending Order:

25, 22, 22, 22, 21, 19, 19, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 13, 12, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 7, 6, 6, 5, 4, 3, 3