EduSahara™ Assignment
Name : Frequency Distribution Table Metrics
Chapter : Statistics
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Scores of 11 students are given below. Find the mode.
Score
71
72
76
77
81
84
89
No. of students
1
3
2
2
1
1
1
(i)
74
(ii)
70
(iii)
72
(iv)
73
(v)
71
Question
2
2.
Temperatures of 25 days are given below. Find the median.
Temperature (in degree C)
25
29
30
33
34
35
No. of days
5
3
3
2
7
5
(i)
32
°C
(ii)
35
°C
(iii)
33
°C
(iv)
34
°C
(v)
31
°C
Question
3
3.
Weights of 25 students are given below. Find the mean.
Weight (in kg)
40
44
47
48
50
52
53
57
60
No. of students
2
4
4
3
3
4
1
2
2
(i)
247
5
kg
(ii)
1283
25
kg
(iii)
1234
25
kg
(iv)
1258
25
kg
(v)
1233
25
kg
Question
4
4.
Weights of 31 students are given below. Find the mode.
Weight (in kg)
41
42
43
49
50
53
54
55
60
No. of students
6
3
1
4
5
5
2
3
2
(i)
40
kg
(ii)
41
kg
(iii)
43
kg
(iv)
42
kg
(v)
39
kg
Question
5
5.
Weights of 30 students are given below. Find the median.
Weight (in kg)
46
47
49
50
51
55
56
60
No. of students
2
7
7
1
3
4
3
3
(i)
50
kg
(ii)
51
kg
(iii)
49
kg
(iv)
47
kg
(v)
48
kg
Question
6
6.
Wages of 30 labourers are given below. Find the mean.
Wage (in rupees)
304
326
327
364
384
398
399
449
459
490
No. of labourers
1
3
4
5
3
4
3
3
2
2
(i)
₹
388.53
(ii)
₹
386.67
(iii)
₹
386.60
(iv)
₹
386.53
(v)
₹
387.53
Question
7
7.
Wages of 16 labourers are given below. Find the mode.
Wage (in rupees)
324
335
339
341
356
382
486
No. of labourers
6
2
2
1
1
1
3
(i)
₹
322.00
(ii)
₹
324.00
(iii)
₹
326.00
(iv)
₹
325.00
(v)
₹
323.00
Question
8
8.
Wages of 30 labourers are given below. Find the median.
Wage (in rupees)
308
312
317
345
362
370
394
401
434
459
No. of labourers
3
3
4
2
3
4
5
1
1
4
(i)
₹
365.00
(ii)
₹
368.00
(iii)
₹
367.00
(iv)
₹
366.00
(v)
₹
364.00
Question
9
9.
Heights of 30 students are given below. Find the mean.
Height (in cm)
125
126
141
145
151
161
172
No. of students
3
8
2
4
4
6
3
(i)
4333
30
cm
(ii)
722
5
cm
(iii)
4361
30
cm
(iv)
4331
30
cm
(v)
4391
30
cm
Question
10
10.
Heights of 16 students are given below. Find the mode.
Height (in cm)
126
152
153
155
164
166
167
169
171
No. of students
2
1
2
1
4
2
1
1
2
(i)
166
cm
(ii)
165
cm
(iii)
163
cm
(iv)
162
cm
(v)
164
cm
Question
11
11.
Heights of 30 students are given below. Find the median.
Height (in cm)
127
128
130
134
138
147
167
169
171
No. of students
5
4
3
2
5
2
4
2
3
(i)
140
cm
(ii)
136
cm
(iii)
137
cm
(iv)
139
cm
(v)
138
cm
Question
12
12.
Heights of 20 plants are given below. Find the mean.
Height (in cm)
70
71
74
76
79
82
93
No. of plants
3
3
2
1
6
2
3
(i)
396
5
cm
(ii)
393
5
cm
(iii)
391
5
cm
(iv)
401
5
cm
(v)
392
5
cm
Question
13
13.
Heights of 16 plants are given below. Find the mode.
Height (in cm)
54
56
78
81
83
84
88
No. of plants
1
5
2
2
1
2
3
(i)
54
cm
(ii)
58
cm
(iii)
56
cm
(iv)
57
cm
(v)
55
cm
Question
14
14.
Heights of 10 plants are given below. Find the median.
Height (in cm)
68
73
76
81
82
85
95
99
No. of plants
2
1
1
1
1
1
1
2
(i)
165
2
cm
(ii)
82
cm
(iii)
163
2
cm
(iv)
167
2
cm
Question
15
15.
Ages of 30 students are given below. Find the mean.
Age (in years)
10
11
12
13
14
15
No. of students
2
7
9
5
4
3
(i)
62
5
years
(ii)
373
30
years
(iii)
371
30
years
(iv)
401
30
years
(v)
431
30
years
Question
16
16.
Ages of 11 students are given below. Find the mode.
Age (in years)
10
11
12
14
15
No. of students
2
1
2
4
2
(i)
12
years
(ii)
13
years
(iii)
14
years
(iv)
15
years
(v)
16
years
Question
17
17.
Ages of 20 students are given below. Find the median.
Age (in years)
10
11
12
13
14
15
No. of students
3
2
2
4
5
4
(i)
13
years
(ii)
12
years
(iii)
14
years
(iv)
11
years
(v)
15
years
Question
18
18.
Scores of 20 students are given below. Find the mean.
Score
70
72
75
77
82
83
85
88
89
No. of students
2
3
2
2
5
2
2
1
1
(i)
1583
20
(ii)
317
4
(iii)
1603
20
(iv)
396
5
(v)
1623
20
Question
19
19.
Scores of 26 students are given below. Find the mode.
Score
70
72
74
76
79
80
83
87
88
89
No. of students
3
2
2
3
6
3
1
3
1
2
(i)
81
(ii)
79
(iii)
78
(iv)
80
(v)
77
Question
20
20.
Scores of 10 students are given below. Find the median.
Score
70
71
72
76
82
83
85
No. of students
2
2
1
1
2
1
1
(i)
73
(ii)
74
(iii)
72
(iv)
76
(v)
75
Question
21
21.
Rainfall of 20 days are given below. Find the mean.
Rainfall (in mm)
5
6
7
8
9
10
12
13
14
15
No. of days
2
1
3
3
2
3
1
1
2
2
(i)
48
5
mm
(ii)
49
5
mm
(iii)
53
5
mm
(iv)
10
mm
(v)
58
5
mm
Question
22
22.
Rainfall of 26 days are given below. Find the mode.
Rainfall (in mm)
5
7
8
9
10
11
12
15
No. of days
2
3
1
7
4
1
3
5
(i)
9
mm
(ii)
11
mm
(iii)
7
mm
(iv)
8
mm
(v)
10
mm
Question
23
23.
Rainfall of 15 days are given below. Find the median.
Rainfall (in mm)
5
6
7
8
9
11
12
13
14
15
No. of days
1
1
1
1
1
1
3
1
2
3
(i)
11
mm
(ii)
12
mm
(iii)
13
mm
(iv)
10
mm
(v)
14
mm
Question
24
24.
Temperatures of 30 days are given below. Find the mean.
Temperature (in degree C)
25
26
27
28
29
30
31
32
33
34
35
No. of days
5
1
2
2
4
2
3
3
3
3
2
(i)
301
10
°C
(ii)
299
10
°C
(iii)
319
10
°C
(iv)
309
10
°C
(v)
30
°C
Question
25
25.
Temperatures of 16 days are given below. Find the mode.
Temperature (in degree C)
25
26
27
28
29
32
33
35
No. of days
1
2
1
5
1
3
2
1
(i)
30
°C
(ii)
28
°C
(iii)
29
°C
(iv)
27
°C
(v)
26
°C
Question
26
26.
Temperatures of 15 days are given below. Find the median.
Temperature (in degree C)
26
27
28
29
31
33
35
No. of days
2
3
1
3
4
1
1
(i)
30
°C
(ii)
29
°C
(iii)
31
°C
(iv)
28
°C
(v)
27
°C
Question
27
27.
Weights of 20 students are given below. Find the mean.
Weight (in kg)
40
41
45
48
50
52
56
57
60
No. of students
3
1
2
3
3
3
2
2
1
(i)
1027
20
kg
(ii)
989
20
kg
(iii)
987
20
kg
(iv)
247
5
kg
(v)
1007
20
kg
Question
28
28.
Weights of 26 students are given below. Find the mode.
Weight (in kg)
40
42
43
45
46
49
51
54
58
No. of students
4
1
2
1
4
1
4
2
7
(i)
59
kg
(ii)
57
kg
(iii)
60
kg
(iv)
56
kg
(v)
58
kg
Question
29
29.
Weights of 10 students are given below. Find the median.
Weight (in kg)
41
54
55
57
58
59
60
No. of students
1
2
1
2
1
1
2
(i)
59
kg
(ii)
58
kg
(iii)
57
kg
(iv)
55
kg
(v)
56
kg
Question
30
30.
Wages of 10 labourers are given below. Find the mean.
Wage (in rupees)
305
369
384
405
447
466
No. of labourers
1
1
1
5
1
1
(i)
₹
400.00
(ii)
₹
401.60
(iii)
₹
400.60
(iv)
₹
399.60
(v)
₹
399.80
Question
31
31.
Wages of 16 labourers are given below. Find the mode.
Wage (in rupees)
306
341
362
363
378
391
498
499
No. of labourers
1
2
1
3
1
6
1
1
(i)
₹
391.00
(ii)
₹
389.00
(iii)
₹
393.00
(iv)
₹
392.00
(v)
₹
390.00
Question
32
32.
Wages of 25 labourers are given below. Find the median.
Wage (in rupees)
325
351
357
362
404
405
421
474
No. of labourers
4
4
5
1
3
2
1
5
(i)
₹
357.00
(ii)
₹
355.00
(iii)
₹
358.00
(iv)
₹
356.00
(v)
₹
359.00
Assignment Key
1) (iii)
2) (iii)
3) (v)
4) (ii)
5) (iii)
6) (iv)
7) (ii)
8) (iv)
9) (iv)
10) (v)
11) (v)
12) (iii)
13) (iii)
14) (iii)
15) (iii)
16) (iii)
17) (i)
18) (i)
19) (ii)
20) (ii)
21) (i)
22) (i)
23) (ii)
24) (ii)
25) (ii)
26) (ii)
27) (iii)
28) (v)
29) (iii)
30) (iv)
31) (i)
32) (i)
