8)Consider the following set of data:13719446254514b) Construct a Frequency Table.c) Septelo ne1086232921com8(There are 28 data values)a) Using 7 classes, compute the Class Width.31619344022151637oleh ort tot gemmot dahil1731118

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Answered: 8) Consider the following set of data:…

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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2. The following table shows the distribution of number of students per teacher in 80 Colleges. Determine the arithmatic mean: Students : 4 8 10 12 18 24 22 Frequency: 10 15 14 13 11 9.
1) Use the following height data to create a Frequency Table: (Make the First Class 60-63.9)70.8 66.2 71.7 68.7 67.6 69.2 66.5 67.2 68.3 65.663.0 68.3 73.1 67.6 68.3 71.0 61.3 76.2 66.2 69.7 2) Make a histogram from the Frequency Table. 3) Find the Mean________, Mode ________, Median________, Mid Range _________
The table below displays marks of 120 students in mathematics at a faculty of science. Construct a frequency .polygon for their marks Marks Number of Students 30-35 10 36-41 12 42-47 14 48-53 10 54-59 20 60-65 24 66-71 18 72-77 8 78-83 4
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2. 25 values of two variables X and Y are given below. Form a two-way frequency table. Take classes of X as 10 to 20, 20 to 30 etc, that of Y as 100 to 200,200 to 300 etc. X 12 34 33 22 44 37 26 36 55 48 27 52 41 37 21 51 Y 140 266 360 470 470 380 480 315 420 390 440 312 330 390 590 250 X 27 42 43 52 57 44 48 48 69 Y 550 360 570 290 416 380 492 370 590 Obtain (i) the marginal frequency distributions of X and Y. (ii)the conditional distribution of X when Y lies between 300-400. (iii) the conditional distribution of Y when Y lies between 40-50.
Given the following set of data on weights of 57 children at an orphanage: 68 63 42 27 30 36 28 32 79 27 22 23 24 25 44 65 43 25 74 51 36 42 28 31 28 25 45 12 57 5112 32 49 38 42 27 31 50 38 21 16 24 15 47 23 22 43 27 49 2823 19 46 30 43 49 12 a. Determine the number of classes and class with that can be used to construct a frequency distribution table for the data. b. Construct a frequency distribution table using 10 as the lower limit of the first class.c. Provide the relative frequency distribution table. d. Determine the class midpoints and class boundaries. e. Construct a “less than or equal to”…
Given the stem-and-leaf diagram. Answer the following questions: • The total frequency all stems Observations of the stem that has largest frequency Stem-and-leaf of C1 N - 82 Leaf Unit - 0.10 1 4 84 33 4 85 86 777 13 87 456789 24 88 89 23334556679 0233678899 90 0111344456789 0001112256688 22236777 023347 (13) 35 91 22 92 14 93 8 94 2247 95 4 96 97 15 2 2 98 8 1. 99 1 100 3 Q1 88.575 Median Q3 90.400 92.200 a. Total frequency = 18 Observations on the largest frequency: 90.0, 90.1, 90.1, 90.1, 90.3, 90.4, 90.4, 90.4, 90.5, 90.6, 90.7, 90.8, 90.9 b. Total frequency cannot be determined by the present diagram Observations on the largest frequency: 90.0, 90.1, 90.1, 90.1, 90.3, 90.4, 90.4, 90.4, 90.5, 90.6, 90.7, 90.8, 90.9 O.Total frequency = 82 Observations on the largest frequency: 90.0, 90.1, 90.1, 90.1, 90.3, 90.4, 90.4, 90.4, 90.5, 90.6, 90.7, 90.8, 90.9 O d. Total frequency = 82 Observations on the largest frequency: 87.4, 87.5, 87.6, 87.7, 87.8, 87.9 34 5 678 9012NM 435 2
Only answer e to j. I already have an answer from a to d.
The following table gives information on the amount (in dollars) Of the electric bills for a samle of 40 families Electric bill Number of families 2 4-8 8-12 11 16-20 12-16 8 20-24 14 b) Find and interpret the cumulative relative frequencies.

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8) Consider the following set of data: 13 7 19 46 25 45 14 THE (There are 28 data values) 10 8 6 23 b) Construct a Frequency Table. 29 21 8 3 a) Using 7 classes, compute the Class Width. ality 16 19 34 40 slab ontot gamm 22 15 16 37 7318 11