Consider the marks obtained (out of 100) by 30 students of class IX of a school. Find the frequency of 90 & 50 marks from the given data: 88, 90, 45, 67, 90, 50, 55, 67, 50, 78, 90, 77, 46, 87, 50, 76, 45, 77, 98, 99, 50, 94,78, 50, 55, 52, 58, 87, 99, 90.
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okkay ............
:)
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Answer:
"76" is your answer
Step-by-step explanation:
Total number of values =50
Range = Highest value − Lowest value
=98−8=90
Let us divide the given data into 10 classes.
∴ Length of the Class interval =Number of class intervalRange
=1090=10
The frequency table of the marks obtained by 50 students in a mathematics test is as follows.
hyy dear
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