Following table shows the marks of 120 students at an examination. Draw an ogive for the table: estimate Inter-quartile range.

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Solution

The correct option is A
15

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Similar questions

Q. Calculate mode of the following distribution:

Marks	10−19	20−29	30−39	40−49	50−59	60−69	70−79	80−89	90−99
Number of Students	29	87	181	247	263	133	40	9	2

Q. You are given the following marks secured by 45 students in an examination:

Marks	20−29	30−39	40−49	50−59	60−69	70−79
No. of Students	4	10	12	9	7	3

Q. The following table shows the marks obtained by 90 students in a certain examination. Calculate the average marks per students by step deviation method.

Marks	10−20	20−30	30−40	40−50	50−60	60−70	70−80	80−90
No. of students	7	13	20	25	10	8	6	1

The following table shows the classification of percentages of marks of students and the number of students. Draw a frequency polygon from the table.

Result (Percentage)	30 - 40	40 - 50	50 - 60	60 -70	70 - 80	80 - 90	90 - 100
No. of students	7	33	45	65	47	18	5

The given table shows the Marks obtained by students in Mathematics.

$\begin{matrix} Marks & No. of Students 0 - 10 & 3 10 - 20 & 7 20 - 30 & 12 30 - 40 & 15 40 - 50 & 20 50 - 60 & 9 60 - 70 & 8 70 - 80 & 16 80 - 90 & 14 90 - 100 & 6 \end{matrix}$

Using the table determine the Lower Quartile by drawing an ogive curve.

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Following table shows the marks of 120 students at an examination. Draw an ogive for the table: estimate Inter-quartile range.

The correct option is A 15

The correct option is A
15