The median of 18, 29, 15, 14 and 21 is : 1. 15 2. 18 3. 29 4. 21

Arranging the numbers in ascending order, we get : 14, 15, 18, 21, 29. The number of terms (n) are 5, which is odd. ∴ Median = th term Substituting value we get : Median = = 3rd term = 18. Hence, Option 2 is the correct option.

Mathematics

The median of 18, 29, 15, 14 and 21 is :
15
18
29
21

Statistics

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Answer

Arranging the numbers in ascending order, we get :

14, 15, 18, 21, 29.

The number of terms (n) are 5, which is odd.

∴ Median = $\dfrac{n + 1}{2}$ th term

Substituting value we get :

Median = $\dfrac{5 + 1}{2} = \dfrac{6}{2}$ = 3rd term = 18.

Hence, Option 2 is the correct option.

Answered By

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Class	Frequency
0 - 20	5
20 - 40	f₁
40 - 60	10
60 - 80	f₂
80 - 100	7
100 - 120	8

Marks	No. of students
11 - 20	2
21 - 30	6
31 - 40	10
41 - 50	12
51 - 60	9
61 - 70	7
71 - 80	4

Mathematics

The median of 18, 29, 15, 14 and 21 is :
15
18
29
21

Statistics

Answer

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Calculate the mean of the distribution, given below, using the short cut method :
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8

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17.5
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Mathematics

The median of 18, 29, 15, 14 and 21 is :15182921

Statistics

Answer

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The mean of the following distribution is 62.8 and the sum of all the frequencies is 50. Find the missing frequencies f1 and f2.ClassFrequency0 - 20520 - 40f140 - 601060 - 80f280 - 1007100 - 1208

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The median of 18, 29, 15, 14 and 21 is :
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21

The mean of the following distribution is 62.8 and the sum of all the frequencies is 50. Find the missing frequencies f₁ and f₂.
Class Frequency
0 - 20 5
20 - 40 f₁
40 - 60 10
60 - 80 f₂
80 - 100 7
100 - 120 8

Calculate the mean of the distribution, given below, using the short cut method :
Marks No. of students
11 - 20 2
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31 - 40 10
41 - 50 12
51 - 60 9
61 - 70 7
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Numbers 5, 15, 20, x, 28, 30, 35 are in ascending order and have median = 23; then the value of x is :
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