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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 6

Find the Mean Of: 2.1, 4.5, 5.2, 7.1 and 9.3 - Mathematics

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प्रश्न

Find the mean of: 2.1, 4.5, 5.2, 7.1 and 9.3

बेरीज

उत्तर

Mean of 2.1, 4.5, 5.2, 7.1 and 9.3

Required mean = `"Sum of data values"/"No. of. data values"`

`= (2.1 + 4.5 + 5.2 + 7.1 + 9.3)/5`

`= 28.2/5 = 5.64`

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पाठ 34: Mean and Median - Exercise 34 (A)

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सेलिना Mathematics [English] Class 6
पाठ 34 Mean and Median
Exercise 34 (A) | Q 1.5

संबंधित प्रश्‍न

Using step-deviation method, calculate the mean marks of the following distribution.

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Frequency 5 20 10 10 9 6 12 8

The marks of 20 students in a test were as follows:

2, 6, 8, 9, 10, 11, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19 and 20.

Calculate:

  1. the mean
  2. the median
  3. the mode 

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Class  101-110  111-120  121-130  131-140  141-150  151-160 
Frequency  11 16 20 30 14 9

Find the mode of the following frequency distribution: 

Pocket money per week in Rs 25 50 75 100 125 150
No. of students 4 7 13 18 6 2

Find the median of:

 233, 173, 189, 208, 194, 204, 194, 185, 200 and 220.


The mean of a certain number of observations is 32. Find the resulting mean, if the observation is, increased by 60%.


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A boy scored the following marks in various class tests during a term, each test being marked out of 20.
15, 17, 16, 7, 10, 12, 14, 16, 19, 12, 16
What is his median marks?


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For the given data given below, calculate the mean of its median and mode.

6, 2, 5, 4, 3, 4, 4, 2, 3


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