Answered: Question 1 Following raw data showing…

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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Question 1 Following raw data showing ages in year of 20 children studying in a school. 4.9, 3.2, 4.3, 3.5, 6.1, 5.3, 2.6 3.8, 3.3, 4.6, 4.1, 4.6, 3.6 5.1, 3.9, 5.8, 4.3, 4.6, 3.2, 3.3 1) Construct a frequency table taking class interval of one year. 2) Find class boundaries and mid values. 3) Find Relative frequency distribution. 4) Prepare ‘less than’ and ‘more than’ type of frequency table. Question 2 If mean of following number is 17. Find the value of “k”? 12,18,21,k,13 Question 3 The mean height of 45 students of a classis 60 and the height of 55 students of another class is 57. Find the overall height of 100 students Question 4 Marks 15-20 20-25 25-30 30-35 35-40 40-45 45-50 No. of Students 1 10 20 8 6 3 1 Question 5 Compute A.M Height 60-62 62-64 64-66 66-68 68-70 70-72 No. of Students 5 18 42 20 8 7 Question 6 Find average income of following data Daily income 200 300 350 700 840 950 No. of Workers 6 2 2 1 1 1 Question 7 Using the data of any two questions make a stem leaf graph.

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