Q. 65.0( 10 Votes )

# Identify the scale used on the axes of the adjacent graph. Write the frequency distribution from it.

Answer :

Observe that, on x-axis we have classes from I Class to VI Class.

The scale used in x-axis is class on a unit interval.

And on y-axis, we have number of students.

The scale used on y-axis is from 0 to 90 with an interval of 10 units.

Analyzing a histogram is very easy. Just note down the parameters and its corresponding frequencies by observing the bar graph.

There are 6 parameters for classes namely, I Class, II Class, III Class, IV Class, V Class and VI Class.

So now, create a table consisting of these classes and their corresponding frequencies (number of students).

Thus, this is the required frequency distribution table.

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PREVIOUSRepresent the data in the adjacent bar graph as frequency distribution table.NEXTThe marks of 30 students of a class, obtained in a test (out of 75), are given below:42, 21, 50, 37, 42, 37, 38, 42, 49, 52, 38, 53, 57, 47, 2959, 61, 33, 17, 17, 39, 44, 42, 39, 14, 7, 27, 19, 54, 51.Form a frequency table with equal class intervals. (Hint : one of them being 0-10)