EduSahara™ Assignment
Name : Mode of Ungrouped Data
Chapter : Median, Quartiles and Mode
Grade : ICSE Grade X
License : Non Commercial Use
Question 1
1.
    • The scores obtained by 11 students in a test are given below. Find the mode.
      • 15
      • 7
      • 18
      • 6
      • 2
      • 18
      • 4
      • 9
      • 5
      • 5
      • 5
  • (i)
    2
  • (ii)
    5
  • (iii)
    8
    9

    10
  • (iv)
    6
    1

    2
  • (v)
    18
Question 2
2.
    • The marks obtained by 14 students in a test are given below. Find their mode marks.
      • 33
      • 31
      • 18
      • 50
      • 16
      • 28
      • 50
      • 6
      • 13
      • 50
      • 9
      • 43
      • 37
      • 40
  • (i)
    50
  • (ii)
    51
  • (iii)
    49
  • (iv)
    52
  • (v)
    47
Question 3
3.
    • Heights of 15 students (in cm) are given below. Find the mode height.
      • 171
      • 167
      • 142
      • 170
      • 154
      • 134
      • 167
      • 139
      • 167
      • 149
      • 153
      • 137
      • 172
      • 162
      • 167
  • (i)
    169
    cm
  • (ii)
    168
    cm
  • (iii)
    165
    cm
  • (iv)
    167
    cm
  • (v)
    166
    cm
Question 4
4.
    • Heights of 12 plants (in cm) are given below. Find the mode height.
      • 84
      • 53
      • 81
      • 83
      • 50
      • 89
      • 65
      • 75
      • 81
      • 84
      • 81
      • 81
  • (i)
    83
    cm
  • (ii)
    82
    cm
  • (iii)
    80
    cm
  • (iv)
    81
    cm
  • (v)
    79
    cm
Question 5
5.
    • Ages of 16 students (in years) are given below. Find the mode age.
      • 10
      • 14
      • 14
      • 14
      • 10
      • 11
      • 13
      • 14
      • 11
      • 15
      • 15
      • 12
      • 13
      • 12
      • 15
      • 14
  • (i)
    15
    years
  • (ii)
    13
    years
  • (iii)
    14
    years
  • (iv)
    12
    years
  • (v)
    16
    years
Question 6
6.
    • Rainfall of 11 days (in mm) are given below. Find the mode rainfall.
      • 13
      • 9
      • 5
      • 13
      • 6
      • 9
      • 9
      • 11
      • 7
      • 6
      • 9
  • (i)
    11
    mm
  • (ii)
    10
    mm
  • (iii)
    8
    mm
  • (iv)
    7
    mm
  • (v)
    9
    mm
Question 7
7.
    • Scores of 14 students are given below. Find the mode score.
      • 84
      • 77
      • 90
      • 81
      • 75
      • 88
      • 76
      • 73
      • 80
      • 77
      • 86
      • 70
      • 84
      • 77
  • (i)
    75
  • (ii)
    76
  • (iii)
    78
  • (iv)
    79
  • (v)
    77
Question 8
8.
    • Temperatures of 11 days (in °C) are given below. Find the mode temperature.
      • 27
      • 28
      • 27
      • 30
      • 32
      • 27
      • 34
      • 29
      • 35
      • 28
      • 27
  • (i)
    28
    °C
  • (ii)
    26
    °C
  • (iii)
    27
    °C
  • (iv)
    29
    °C
  • (v)
    25
    °C
Question 9
9.
    • Weights of 15 students (in kg) are given below. Find the mode weight.
      • 60
      • 45
      • 52
      • 55
      • 46
      • 52
      • 55
      • 52
      • 57
      • 60
      • 58
      • 55
      • 52
      • 52
      • 52
  • (i)
    51
    kg
  • (ii)
    53
    kg
  • (iii)
    50
    kg
  • (iv)
    54
    kg
  • (v)
    52
    kg
Question 10
10.
    • Daily wages of 11 labourers (in ₹) are given below. Find the mode wage.
      • 313
      • 457
      • 413
      • 394
      • 351
      • 395
      • 346
      • 337
      • 450
      • 363
      • 313
  • (i)
    ₹
    314.00
  • (ii)
    ₹
    312.00
  • (iii)
    ₹
    313.00
  • (iv)
    ₹
    311.00
  • (v)
    ₹
    315.00
Question 11
11.
Find the Mode when Median is 87.2 and Mean is 45.5.
  • (i)
    168.6
  • (ii)
    169.6
  • (iii)
    172.6
  • (iv)
    170.6
  • (v)
    171.6
Question 12
12.
Find the Mode when Median is 69 and Mean is 45.
  • (i)
    117
  • (ii)
    119
  • (iii)
    116
  • (iv)
    118
  • (v)
    115
Question 13
13.
The mean and median of a uni-modal grouped data are 79.2 and 64.9 respectively. Find the mode of the data.
  • (i)
    107.8
  • (ii)
    105.8
  • (iii)
    106.8
  • (iv)
    109.8
  • (v)
    108.8
Question 14
14.
The mean and median of a uni-modal grouped data are 43 and 25 respectively. Find the mode of the data.
  • (i)
    78
  • (ii)
    80
  • (iii)
    77
  • (iv)
    81
  • (v)
    79
Question 15
15.
Emperical relation between Mean, Median and Mode is
  • (i)
    Mode = 3Median + 2Mean
  • (ii)
    Mode = 3Median - 3Mean
  • (iii)
    Mode = 2Median - 3Mean
  • (iv)
    Mode = 3Median - 2Mean
    Assignment Key

  •  1) (ii)
  •  2) (i)
  •  3) (iv)
  •  4) (iv)
  •  5) (iii)
  •  6) (v)
  •  7) (v)
  •  8) (iii)
  •  9) (v)
  •  10) (iii)
  •  11) (iv)
  •  12) (i)
  •  13) (i)
  •  14) (v)
  •  15) (iv)