EduSahara™ Assignment
Name : Frequency Distribution Table Metrics
Chapter : Statistics
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Scores of 16 students are given below. Find the mode.
Score
70
71
73
76
77
83
84
87
90
No. of students
1
2
1
2
4
3
1
1
1
(i)
76
(ii)
78
(iii)
75
(iv)
77
(v)
79
Question
2
2.
Temperatures of 10 days are given below. Find the median.
Temperature (in degree C)
26
27
29
30
No. of days
2
4
2
2
(i)
28
°C
(ii)
29
°C
(iii)
27
°C
(iv)
26
°C
(v)
25
°C
Question
3
3.
Weights of 10 students are given below. Find the mean.
Weight (in kg)
44
48
50
51
53
58
59
No. of students
1
1
2
2
1
2
1
(i)
261
5
kg
(ii)
262
5
kg
(iii)
271
5
kg
(iv)
263
5
kg
(v)
266
5
kg
Question
4
4.
Weights of 11 students are given below. Find the mode.
Weight (in kg)
41
43
44
46
50
57
No. of students
1
1
2
4
1
2
(i)
48
kg
(ii)
44
kg
(iii)
45
kg
(iv)
46
kg
(v)
47
kg
Question
5
5.
Weights of 15 students are given below. Find the median.
Weight (in kg)
40
41
43
46
52
53
56
58
No. of students
2
1
1
1
3
5
1
1
(i)
53
kg
(ii)
51
kg
(iii)
50
kg
(iv)
52
kg
(v)
54
kg
Question
6
6.
Wages of 15 labourers are given below. Find the mean.
Wage (in rupees)
300
399
417
420
438
462
493
No. of labourers
4
1
1
3
3
2
1
(i)
₹
402.47
(ii)
₹
400.53
(iii)
₹
400.60
(iv)
₹
401.47
(v)
₹
400.47
Question
7
7.
Wages of 16 labourers are given below. Find the mode.
Wage (in rupees)
338
345
346
360
367
375
445
450
488
No. of labourers
4
2
2
1
2
2
1
1
1
(i)
₹
340.00
(ii)
₹
339.00
(iii)
₹
338.00
(iv)
₹
337.00
(v)
₹
336.00
Question
8
8.
Wages of 20 labourers are given below. Find the median.
Wage (in rupees)
354
394
442
461
479
488
495
No. of labourers
3
1
1
4
1
5
5
(i)
₹
485.50
(ii)
₹
484.00
(iii)
₹
484.50
(iv)
₹
483.50
Question
9
9.
Heights of 20 students are given below. Find the mean.
Height (in cm)
125
128
131
140
147
160
172
173
174
No. of students
2
1
4
4
3
2
1
1
2
(i)
734
5
cm
(ii)
146
cm
(iii)
739
5
cm
(iv)
729
5
cm
(v)
731
5
cm
Question
10
10.
Heights of 26 students are given below. Find the mode.
Height (in cm)
129
132
144
152
153
174
No. of students
8
4
2
4
4
4
(i)
131
cm
(ii)
130
cm
(iii)
128
cm
(iv)
127
cm
(v)
129
cm
Question
11
11.
Heights of 10 students are given below. Find the median.
Height (in cm)
143
145
152
163
175
No. of students
1
3
2
2
2
(i)
153
cm
(ii)
152
cm
(iii)
154
cm
(iv)
150
cm
(v)
151
cm
Question
12
12.
Heights of 20 plants are given below. Find the mean.
Height (in cm)
53
70
74
81
86
95
No. of plants
1
4
5
6
2
2
(i)
1551
20
cm
(ii)
1553
20
cm
(iii)
388
5
cm
(iv)
1591
20
cm
(v)
1571
20
cm
Question
13
13.
Heights of 31 plants are given below. Find the mode.
Height (in cm)
54
64
66
69
72
73
80
83
87
92
No. of plants
2
3
1
4
3
6
3
3
1
5
(i)
71
cm
(ii)
75
cm
(iii)
72
cm
(iv)
74
cm
(v)
73
cm
Question
14
14.
Heights of 30 plants are given below. Find the median.
Height (in cm)
50
55
58
74
77
81
85
99
100
No. of plants
2
4
2
3
4
2
4
3
6
(i)
79
cm
(ii)
77
cm
(iii)
78
cm
(iv)
80
cm
(v)
81
cm
Question
15
15.
Ages of 10 students are given below. Find the mean.
Age (in years)
10
12
13
14
15
No. of students
3
1
1
2
3
(i)
64
5
years
(ii)
74
5
years
(iii)
13
years
(iv)
66
5
years
(v)
69
5
years
Question
16
16.
Ages of 21 students are given below. Find the mode.
Age (in years)
10
11
12
13
14
15
No. of students
5
3
4
2
4
3
(i)
11
years
(ii)
8
years
(iii)
12
years
(iv)
10
years
(v)
9
years
Question
17
17.
Ages of 25 students are given below. Find the median.
Age (in years)
10
11
12
13
14
15
No. of students
2
2
6
5
6
4
(i)
13
years
(ii)
12
years
(iii)
15
years
(iv)
14
years
(v)
11
years
Question
18
18.
Scores of 15 students are given below. Find the mean.
Score
70
74
75
77
78
79
80
84
No. of students
2
1
5
1
1
2
2
1
(i)
382
5
(ii)
392
5
(iii)
387
5
(iv)
383
5
(v)
384
5
Question
19
19.
Scores of 21 students are given below. Find the mode.
Score
70
76
77
84
85
88
89
90
No. of students
1
5
2
4
2
3
2
2
(i)
78
(ii)
77
(iii)
75
(iv)
74
(v)
76
Question
20
20.
Scores of 30 students are given below. Find the median.
Score
70
74
75
79
82
83
86
87
89
No. of students
1
5
3
4
7
1
2
4
3
(i)
83
(ii)
80
(iii)
82
(iv)
84
(v)
81
Question
21
21.
Rainfall of 20 days are given below. Find the mean.
Rainfall (in mm)
8
9
10
11
13
14
15
No. of days
4
4
1
2
3
3
3
(i)
123
10
mm
(ii)
57
5
mm
(iii)
113
10
mm
(iv)
133
10
mm
(v)
23
2
mm
Question
22
22.
Rainfall of 31 days are given below. Find the mode.
Rainfall (in mm)
5
6
7
8
9
10
11
12
13
15
No. of days
6
2
4
2
2
4
3
3
3
2
(i)
4
mm
(ii)
3
mm
(iii)
5
mm
(iv)
6
mm
(v)
7
mm
Question
23
23.
Rainfall of 15 days are given below. Find the median.
Rainfall (in mm)
6
7
8
9
11
12
13
14
15
No. of days
1
1
1
3
2
2
1
1
3
(i)
11
mm
(ii)
12
mm
(iii)
9
mm
(iv)
13
mm
(v)
10
mm
Question
24
24.
Temperatures of 20 days are given below. Find the mean.
Temperature (in degree C)
25
26
27
29
30
31
32
33
34
35
No. of days
2
1
2
3
4
1
2
1
3
1
(i)
151
5
°C
(ii)
311
10
°C
(iii)
321
10
°C
(iv)
303
10
°C
(v)
301
10
°C
Question
25
25.
Temperatures of 31 days are given below. Find the mode.
Temperature (in degree C)
25
26
27
28
29
30
31
32
33
34
35
No. of days
3
2
4
1
6
3
1
3
1
5
2
(i)
29
°C
(ii)
30
°C
(iii)
27
°C
(iv)
31
°C
(v)
28
°C
Question
26
26.
Temperatures of 30 days are given below. Find the median.
Temperature (in degree C)
25
26
27
28
29
30
31
32
33
34
35
No. of days
5
3
4
3
2
2
3
2
1
2
3
(i)
57
2
°C
(ii)
61
2
°C
(iii)
59
2
°C
(iv)
29
°C
Question
27
27.
Weights of 20 students are given below. Find the mean.
Weight (in kg)
42
44
48
49
55
57
60
No. of students
1
3
4
2
4
5
1
(i)
103
2
kg
(ii)
1069
20
kg
(iii)
1049
20
kg
(iv)
1029
20
kg
(v)
1031
20
kg
Question
28
28.
Weights of 11 students are given below. Find the mode.
Weight (in kg)
41
42
46
49
50
57
58
No. of students
1
1
1
3
2
1
2
(i)
49
kg
(ii)
50
kg
(iii)
47
kg
(iv)
48
kg
(v)
51
kg
Question
29
29.
Weights of 10 students are given below. Find the median.
Weight (in kg)
40
43
44
48
49
52
58
No. of students
2
1
1
1
2
2
1
(i)
99
2
kg
(ii)
97
2
kg
(iii)
101
2
kg
(iv)
49
kg
Question
30
30.
Wages of 15 labourers are given below. Find the mean.
Wage (in rupees)
333
337
355
383
422
440
458
471
No. of labourers
3
2
1
2
1
1
1
4
(i)
₹
401.87
(ii)
₹
400.87
(iii)
₹
399.87
(iv)
₹
399.93
(v)
₹
400.00
Question
31
31.
Wages of 11 labourers are given below. Find the mode.
Wage (in rupees)
321
333
360
412
441
478
No. of labourers
2
1
2
1
4
1
(i)
₹
442.00
(ii)
₹
443.00
(iii)
₹
439.00
(iv)
₹
441.00
(v)
₹
440.00
Question
32
32.
Wages of 25 labourers are given below. Find the median.
Wage (in rupees)
333
345
360
362
401
409
419
441
485
No. of labourers
2
3
2
1
3
3
4
3
4
(i)
₹
411.00
(ii)
₹
410.00
(iii)
₹
409.00
(iv)
₹
408.00
(v)
₹
407.00
Assignment Key
1) (iv)
2) (iii)
3) (i)
4) (iv)
5) (iv)
6) (v)
7) (iii)
8) (iv)
9) (iv)
10) (v)
11) (ii)
12) (i)
13) (v)
14) (i)
15) (i)
16) (iv)
17) (i)
18) (i)
19) (v)
20) (iii)
21) (iii)
22) (iii)
23) (i)
24) (v)
25) (i)
26) (i)
27) (iv)
28) (i)
29) (ii)
30) (iii)
31) (iv)
32) (iii)
