Question

2, 92, 65, 78, 81, 64, 60, 75, 78, 108, 63,71, 54, The water bills (in rupees) of 32 houses in a locality are given below: 59, 75, 100, 103, 35, 89, 95, 73. Taking class intervals 30 -50, 50 - 60, ..., form frequency distribution tabl 18 The number of matchsticks in 40 boxes on counting was found as given below: Construct a combined histogram and frequency polygon. 49, 41, 42, 43, 47, 50, 51, 49, 43, 42, 40, 42, 44, 45, 49, 42, 46, 49, 45, 49, 45, 47, 45 43, 44, 48, 43, 46, 50, 43, 52, 46, 49, 52, 51, 47, 43, 43, 45. Taking classes 40 - 42, 42 above data. Also draw a combined histogram and frequency polygon


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Answer 1

Answer:

30, 48, 52, 78, 103, 85, 37, 94, 72, 73, 66, 52, 92, 65, 78, 81, 64, 60, 75, 78, 10S, 63, 71, 54, 59, 75,

100, 103, 35, 89, 95, 73.

Taking class intervals 30 - 40, 40 - 50, 50 - 60 ... form frequency distribution table.

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Answer 2

Answer:

Molar concentration is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution. In chemistry, the most commonly used unit for molarity is the number...

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