The median of the marks scored by 100 students in a 25 marks Unit test isMarks 0-5 5-10 10-15 15-20 20-25 No. of students 10 18 42 13 7
| Marks | 0-5 | 5-10 | 10-15 | 15-20 | 20-25 |
|---|---|---|---|---|---|
| No. of students | 10 | 18 | 42 | 13 | 7 |
- 12
- 12.3
- 12.6
- 12.7
The Correct Option is B
Solution and Explanation
Top Questions on Median of Grouped Data
- The upper limit of the median class of the following frequency distribution is
Class Interval 50-70 70-90 90-110 110-130 130-150 150-170 Number of Students 15 21 32 19 8 5 - AP POLYCET - 2024
- Mathematics
- Median of Grouped Data
The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :
Length (in mm)
Number of leaves
118 - 126
3
127 - 135
5
136 - 144
9
145 - 153
12
154 - 162
5
163 - 171
4
172 - 180
2
Find the median length of the leaves.
(Hint : The data needs to be converted to continuous classes for finding the median, since the formula assumes continuous classes. The classes then change to 117.5 - 126.5, 126.5 - 135.5, . . ., 171.5 - 180.5.)- CBSE Class X
- Mathematics
- Median of Grouped Data
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the median, mean and mode of the data and compare them
Monthly consumption
(in units)Number of consumers
65 - 85
4
85 - 105
5
105 - 125
13
125 - 145
20
145 - 165
14
165 - 185
8
185 - 205
4
- CBSE Class X
- Mathematics
- Median of Grouped Data
- If the median of the distribution given below is 28.5, find the values of x and y.
Class interval
Frequency
0 - 10
5
10 - 20
x
20 - 30
20
30 - 40
15
40 - 50
y
50 - 60
5
Total
60
- CBSE Class X
- Mathematics
- Median of Grouped Data
The following table gives the distribution of the life time of 400 neon lamps :
Life time (in hours) Number of lamps 1500 - 2000
14
2000 - 2500
56
2500 - 3000
60
3000 - 3500
86
3500 - 4000
74
4000 - 4500
62
4500 - 5000
48
Find the median life time of a lamp.
- CBSE Class X
- Mathematics
- Median of Grouped Data
Questions Asked in TS POLYCET exam
- The value of \(\tan 26^\circ. \tan 64^\circ\) is
- TS POLYCET - 2023
- Trigonometry
- When white light is incident on a glass prism, the least deviated colour is
- TS POLYCET - 2023
- Wave Optics
- If 5x+py+8=0 and 10x+15y+12=0 has no solution, then p =
- TS POLYCET - 2023
- Quadratic Equations
- If \(\sec \theta = \frac{2}{\sqrt{3}}\),then \(cosθ=\)
- TS POLYCET - 2023
- Trigonometry
- In the figure, if AP and AQ are the two tangents to a circle with centre 'O' so that \(∠OQP=15°\), then \(∠QAP=\)
- TS POLYCET - 2023
- Tangent to a Circle