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CBSE Class 8 Answered

The heights of 25 students, measured to the nearest centimeters have been found to be as follows: Represent the above data by a grouped frequency distribution table using tally marks.
Asked by Topperlearning User | 26 Jul, 2016, 04:19: PM
answered-by-expert Expert Answer

Answered by | 26 Jul, 2016, 06:19: PM

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CBSE 8 - Maths
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CBSE 8 - Maths
The number of children in 20 families of a locality are: 2, 2, 3, 1, 1, 2, 3, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 3, 2, 2 State the frequency of each observation.
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CBSE 8 - Maths
A dice was thrown 30 times and following outcomes were noted: 2, 1, 2, 4, 6, 1, 2, 3, 6, 5, 4, 4, 3, 1, 1, 3, 1, 1, 5, 6, 6, 2, 2, 3, 4, 2, 5, 5, 6, 4 Prepare a frequency distribution and state which number had the highest frequency?
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CBSE 8 - Maths
60 students sat for a test. The frequency distribution is shown in the following table: Marks Frequency 0 1 1 3 2 6 3 9 4 8 5 11 6 8 7 7 8 4 9 1 10 2 How many students scored 5 or more marks?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
The weights (in kg) of 35 persons are given below: 43, 51, 47, 62, 48, 40, 50, 62, 53, 56, 40, 48, 56, 53, 50, 42, 55, 52, 48, 46, 45, 54, 52, 50, 47, 44, 54, 55, 60, 63, 58, 55, 60, 58, 53. Prepare a grouped continuous frequency distribution table taking equal class size.
Asked by Topperlearning User | 01 Apr, 2014, 01:23: PM
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CBSE 8 - Maths
The following data represent scores of 50 students in a calculus test. 72 72 93 70 59 78 74 65 73 80 57 67 72 57 83 76 74 56 68 67 74 76 79 72 61 72 73 76 67 49 71 53 67 65 100 83 69 61 72 68 65 51 75 68 75 66 77 61 64 74 Prepare the continuous grouped frequency distribution table.
Asked by Topperlearning User | 01 Apr, 2014, 01:24: PM
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CBSE 8 - Maths
The daily earnings (in rupees) of 24 stores in a market was recorded as under: 715, 650, 685, 550, 573, 530, 610, 525, 742, 680, 736, 524, 500, 585, 723, 545, 532, 560, 580, 545, 625, 630, 645, 700 Prepare a continuous grouped frequency table taking equal class sizes.
Asked by Topperlearning User | 01 Apr, 2014, 01:25: PM
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CBSE 8 - Maths
Given below are the heights ( in cm) of 11 boys of a class: 146, 143, 148, 132, 128, 139, 140, 152, 154, 142, 149. Arrange the above data in ascending order and find: (i) The height of the tallest boy. (ii) The height of the shortest boy. (iii) The range of the given data.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
(1)  Which blood group has the most donors? (2)  How many donors are of the ‘O’ blood group?
Asked by Topperlearning User | 26 Jul, 2016, 04:20: PM
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CBSE 8 - Maths
The heights of 25 students, measured to the nearest centimeters have been found to be as follows: Represent the above data by a grouped frequency distribution table using tally marks.
Asked by Topperlearning User | 26 Jul, 2016, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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