30 18/13/50/2140/97(20130 13525) thisThe arithmetic mean of the followingdata

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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f 8. Calculate Arithmetic mean for the following data Marks No. of students 0-10 10-20 12 20-30 30-40 40-50 50-60 30 45 50 37 60-70 21 T -1
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Q1/The following table represents the number of lectures on engineering statistics for the second stage, the Department of Electrical Engineering, distributed throughout the week. Required: Find the weighted arithmetic mean and squared mean and indicate the days of the lecture? number of lectures 4 30-40 40-50 50-60 60-70 70-80 80-90 90-100 6 8 4 6 4 8
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30 18/13/50/2140/97 (20 130 135 135 1 25) this The arithmetic mean of the following data