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
72
73
76
77
80
82
86
88
No. of students
1
1
1
3
1
1
1
2
(i)
75
(ii)
79
(iii)
78
(iv)
77
(v)
76
Question
2
2.
Temperatures of 15 days are given below. Find the median.
Temperature (in degree C)
26
27
29
32
33
35
No. of days
1
3
4
3
2
2
(i)
27
°C
(ii)
29
°C
(iii)
28
°C
(iv)
31
°C
(v)
30
°C
Question
3
3.
Weights of 15 students are given below. Find the mean.
Weight (in kg)
42
48
52
54
57
60
No. of students
5
3
1
2
1
3
(i)
752
15
kg
(ii)
766
15
kg
(iii)
781
15
kg
(iv)
251
5
kg
(v)
751
15
kg
Question
4
4.
Weights of 16 students are given below. Find the mode.
Weight (in kg)
43
46
47
49
52
54
60
No. of students
2
2
4
1
2
2
3
(i)
48
kg
(ii)
49
kg
(iii)
47
kg
(iv)
45
kg
(v)
46
kg
Question
5
5.
Weights of 20 students are given below. Find the median.
Weight (in kg)
40
41
43
44
48
54
55
57
No. of students
3
2
1
3
2
6
2
1
(i)
47
kg
(ii)
49
kg
(iii)
50
kg
(iv)
46
kg
(v)
48
kg
Question
6
6.
Wages of 30 labourers are given below. Find the mean.
Wage (in rupees)
312
316
318
427
445
466
468
500
No. of labourers
4
4
6
1
5
3
3
4
(i)
₹
395.80
(ii)
₹
396.80
(iii)
₹
397.80
(iv)
₹
396.20
(v)
₹
396.00
Question
7
7.
Wages of 21 labourers are given below. Find the mode.
Wage (in rupees)
310
315
321
344
385
391
422
No. of labourers
2
4
1
8
1
4
1
(i)
₹
343.00
(ii)
₹
342.00
(iii)
₹
346.00
(iv)
₹
345.00
(v)
₹
344.00
Question
8
8.
Wages of 10 labourers are given below. Find the median.
Wage (in rupees)
325
341
394
408
447
450
458
498
No. of labourers
1
1
2
1
1
2
1
1
(i)
₹
428.00
(ii)
₹
429.50
(iii)
₹
427.50
(iv)
₹
428.50
Question
9
9.
Heights of 20 students are given below. Find the mean.
Height (in cm)
127
133
134
136
150
153
157
166
173
No. of students
2
1
1
1
3
1
4
5
2
(i)
766
5
cm
(ii)
771
5
cm
(iii)
767
5
cm
(iv)
768
5
cm
(v)
776
5
cm
Question
10
10.
Heights of 31 students are given below. Find the mode.
Height (in cm)
125
126
137
139
140
144
159
165
167
No. of students
4
2
1
10
2
2
3
5
2
(i)
141
cm
(ii)
138
cm
(iii)
139
cm
(iv)
140
cm
(v)
137
cm
Question
11
11.
Heights of 10 students are given below. Find the median.
Height (in cm)
128
143
146
148
159
162
No. of students
3
1
3
1
1
1
(i)
147
cm
(ii)
146
cm
(iii)
145
cm
(iv)
148
cm
(v)
144
cm
Question
12
12.
Heights of 25 plants are given below. Find the mean.
Height (in cm)
53
57
63
65
74
80
88
98
No. of plants
2
4
2
3
6
1
2
5
(i)
371
5
cm
(ii)
374
5
cm
(iii)
74
cm
(iv)
379
5
cm
(v)
369
5
cm
Question
13
13.
Heights of 31 plants are given below. Find the mode.
Height (in cm)
57
79
81
85
86
89
95
97
98
100
No. of plants
6
3
3
3
4
3
1
2
3
3
(i)
57
cm
(ii)
55
cm
(iii)
58
cm
(iv)
59
cm
(v)
56
cm
Question
14
14.
Heights of 15 plants are given below. Find the median.
Height (in cm)
51
55
60
72
83
86
92
No. of plants
3
3
1
1
2
3
2
(i)
72
cm
(ii)
73
cm
(iii)
71
cm
(iv)
70
cm
(v)
74
cm
Question
15
15.
Ages of 15 students are given below. Find the mean.
Age (in years)
10
11
12
13
14
15
No. of students
4
2
2
2
2
3
(i)
13
years
(ii)
37
3
years
(iii)
40
3
years
(iv)
38
3
years
(v)
43
3
years
Question
16
16.
Ages of 11 students are given below. Find the mode.
Age (in years)
10
11
12
13
14
No. of students
4
1
1
3
2
(i)
10
years
(ii)
12
years
(iii)
9
years
(iv)
8
years
(v)
11
years
Question
17
17.
Ages of 15 students are given below. Find the median.
Age (in years)
10
11
12
13
14
15
No. of students
4
1
1
3
5
1
(i)
15
years
(ii)
14
years
(iii)
11
years
(iv)
12
years
(v)
13
years
Question
18
18.
Scores of 10 students are given below. Find the mean.
Score
72
78
81
86
No. of students
2
4
3
1
(i)
159
2
(ii)
157
2
(iii)
161
2
(iv)
79
Question
19
19.
Scores of 16 students are given below. Find the mode.
Score
70
71
75
79
80
81
82
84
86
No. of students
5
1
1
1
1
2
2
2
1
(i)
70
(ii)
69
(iii)
68
(iv)
71
(v)
72
Question
20
20.
Scores of 10 students are given below. Find the median.
Score
71
75
76
78
80
81
87
No. of students
1
1
1
3
1
1
2
(i)
79
(ii)
77
(iii)
76
(iv)
78
(v)
80
Question
21
21.
Rainfall of 25 days are given below. Find the mean.
Rainfall (in mm)
5
7
8
9
10
11
14
No. of days
3
4
2
7
3
5
1
(i)
271
25
mm
(ii)
223
25
mm
(iii)
246
25
mm
(iv)
222
25
mm
(v)
221
25
mm
Question
22
22.
Rainfall of 26 days are given below. Find the mode.
Rainfall (in mm)
5
6
7
8
9
10
11
12
13
14
15
No. of days
3
5
2
3
3
2
1
1
2
2
2
(i)
7
mm
(ii)
4
mm
(iii)
6
mm
(iv)
8
mm
(v)
5
mm
Question
23
23.
Rainfall of 20 days are given below. Find the median.
Rainfall (in mm)
5
9
10
12
13
14
No. of days
4
5
5
1
3
2
(i)
10
mm
(ii)
8
mm
(iii)
12
mm
(iv)
11
mm
(v)
9
mm
Question
24
24.
Temperatures of 25 days are given below. Find the mean.
Temperature (in degree C)
25
26
27
28
29
31
32
35
No. of days
2
4
1
3
4
2
6
3
(i)
149
5
°C
(ii)
158
5
°C
(iii)
148
5
°C
(iv)
30
°C
(v)
153
5
°C
Question
25
25.
Temperatures of 21 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
2
2
1
4
2
1
2
1
2
2
2
(i)
29
°C
(ii)
27
°C
(iii)
26
°C
(iv)
30
°C
(v)
28
°C
Question
26
26.
Temperatures of 25 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
2
1
1
1
4
2
2
4
2
3
3
(i)
29
°C
(ii)
33
°C
(iii)
30
°C
(iv)
32
°C
(v)
31
°C
Question
27
27.
Weights of 15 students are given below. Find the mean.
Weight (in kg)
43
46
47
48
49
50
51
52
54
55
59
No. of students
2
1
2
1
1
1
1
1
2
1
2
(i)
757
15
kg
(ii)
772
15
kg
(iii)
758
15
kg
(iv)
787
15
kg
(v)
253
5
kg
Question
28
28.
Weights of 11 students are given below. Find the mode.
Weight (in kg)
40
42
44
45
46
53
57
No. of students
1
3
1
1
1
2
2
(i)
40
kg
(ii)
41
kg
(iii)
43
kg
(iv)
44
kg
(v)
42
kg
Question
29
29.
Weights of 25 students are given below. Find the median.
Weight (in kg)
42
43
44
47
49
53
54
55
No. of students
2
3
4
2
1
7
3
3
(i)
51
kg
(ii)
53
kg
(iii)
55
kg
(iv)
52
kg
(v)
54
kg
Question
30
30.
Wages of 20 labourers are given below. Find the mean.
Wage (in rupees)
301
326
330
345
408
449
470
No. of labourers
2
5
1
4
1
5
2
(i)
₹
376.75
(ii)
₹
377.00
(iii)
₹
377.75
(iv)
₹
378.75
(v)
₹
377.25
Question
31
31.
Wages of 31 labourers are given below. Find the mode.
Wage (in rupees)
311
329
331
362
378
438
446
470
No. of labourers
4
5
7
2
3
1
6
3
(i)
₹
333.00
(ii)
₹
331.00
(iii)
₹
330.00
(iv)
₹
332.00
(v)
₹
329.00
Question
32
32.
Wages of 25 labourers are given below. Find the median.
Wage (in rupees)
316
345
374
378
391
403
420
463
488
No. of labourers
3
3
7
2
2
1
1
4
2
(i)
₹
373.00
(ii)
₹
376.00
(iii)
₹
375.00
(iv)
₹
372.00
(v)
₹
374.00
Assignment Key
1) (iv)
2) (ii)
3) (v)
4) (iii)
5) (v)
6) (i)
7) (v)
8) (iii)
9) (i)
10) (iii)
11) (ii)
12) (v)
13) (i)
14) (i)
15) (ii)
16) (i)
17) (v)
18) (ii)
19) (i)
20) (iv)
21) (v)
22) (iii)
23) (i)
24) (iii)
25) (v)
26) (v)
27) (i)
28) (v)
29) (ii)
30) (i)
31) (ii)
32) (v)
