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The following is the distribution of total household expenditure (in Rs.) of manual worker in a city:

Academic Mathematics NCERT Class 9

Given:

The distribution of total household expenditure (in Rs.) of manual worker in a city is given.

To do:

We have to draw a histogram and a frequency polygon representing the above data.

Solution:

The histogram and the frequency polygon to represent the given data is,

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Updated on: 10-Oct-2022

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The following table gives the distribution of total household expenditure (in rupees) of manual workers in a city.Expenditure (in rupees) ($x_i$)Frequency ($f_i$)Expenditure (in rupees) ($x_i$)Frequency ($f_i$)100-15024300-35030150-20040350-40022200-25033400-50016250-30028450-5007Find the average expenditure (in rupees) per household.
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I have a total of \( Rs. 300 \) in coins of denomination \( Rs. 1, Rs. 2 \) and \( Rs. 5 \). The number of \( Rs. 2 \) coins is 3 times the number of \( Rs. 5 \) coins. The total number of coins is 160 . How many coins of each denomination are with me?
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