हिंदी

The table given below gives the marks of 160 students in the school. Marks 20 – 30 30 – 40 40 – 50 50 – 60 60 – 70 70 – 80 80 – 90 90 – 100 No. of students 8 10 15 25 30 38 24 10

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प्रश्न

The table given below gives the marks of 160 students in the school.

Marks 20 – 30 30 – 40 40 – 50 50 – 60 60 – 70 70 – 80 80 – 90 90 – 100
No. of students 8 10 15 25 30 38 24 10

How many students are getting above 80 marks.

योग
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उत्तर

To find the number of students getting above 80 marks, we need to look at the class intervals that represent marks greater than 80.

These intervals are:

80 – 90 marks

90 – 100 marks

From the given table:

Number of students scoring 80 – 90 marks = 24

Number of students scoring 90 – 100 marks = 10

Total calculation

Total students = 24 + 10 = 34

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अध्याय 6: Statistics - Q.1 (B)
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