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From the following data compute the mean marks of all the students of 50 schools in a city : Average No. of students in a school Marks obtained No. of Schools More than 35 7 200 30-35 10 250 25-30 15 300 20 - 15 9 200 15-20 5 150 Less than 15 4 100

From the following data compute the mean marks of all the students of 50 schools in a city : Average No. of students in a school Marks obtained No. of Schools More than 35 7 200 30-35 10 250 25-30 15 300 20 - 15 9 200 15-20 5 150 Less than 15 4 100

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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From the following data compute the mean marks of all the students of 50 schools in a city : No. of Schools Average No. of students in a school Marks obtained More than 35 7 200 30-35 10 250 25-30 15 300 20 - 15 9 200 15-20 5 150 Less than 15 4 100
Transcribed Image Text:From the following data compute the mean marks of all the students of 50 schools in a city : No. of Schools Average No. of students in a school Marks obtained More than 35 7 200 30-35 10 250 25-30 15 300 20 - 15 9 200 15-20 5 150 Less than 15 4 100
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