3.1. Form a frequency distribution from the following data by Inclusive Method, takng " dsthe magnilliae of class-intervals:32,14,10,17,15,22,11,26,16,12,19,15,20,24,29,18,25,20,15,21,28,17,33,23,27,13,30,18,22,24,36,18,38,34,10,16,29,19,23,31.

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Answered: 3:1. Form a frequency distribution from…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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28. Find the missing frequencies of the following data. The average marks of 100 students as per median is 33. Marks 0-10 10-20 20-30 30-40 40-50 50-60 No. of Students 10 ? 25 30 ? 10
The following table lists length of stay (days) in hospital for a sample of 25patients5,10,6,11,5,14,30,11,17,3,9,3,8,8,5,5,7,4,3,7,9,11,11,9,41(a). Construct a frequency/relative frequency table for these data using 5days class intervals. Include coloums for the frequency counts,relative frequencies and cumulative frequencies.(I)what percentage of hospital stays were less than 5days?(ii)what percentage of hospital stays were less than 15days?(ii)what percentage of hospital stays were at least 15days in length?1b (I) using the above data calculate the mean,median and mode (ii) explain why the mean and madian are different
The following are a sample of ages of respondents to a survey. 20, 40, 45, 49, 50, 50, 51, 55, 60, 80 Answer the following questions. 1. What is the class width of the frequency distribution if you are to use 7 classes? 2. Form the frequency table. Class Limits 3. What are the outliers? OA. There are no outliers OB. 80 OC. 20 OD. 20 and 80 Frequency
The length of leaves a plant were measured to the nearest millimeter are as follows, 20 , 21 , 21 , 22, 22 , 23 , 23 ,24 , 25 , 24 , 25 , 24 , 25 , 26 , 27 , 27 , 27, 26 , 27 , 26 , 28 , 29 , 28 , 29 , 29 , 30 , 31, 30 , 30 , 32 , 33 ,33. Assume a class interval width of size 2 and construct the frequency distribution table. Use the frequency distribution table and determine the mean length of the leaves.
Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary. Age (yr) when award was won Frequency 25-34 27 34 35-44 45-54 12 55-64 3 65-74 4 75-84 85-94 ..... 25,35.45.55.65, 75, 85 (Type integers or decimals. Do not round. Use ascending order.) Identify the upper class limits. 34.44.54.64,74,84,94 (Type integers or decimals. Do not round. Use ascending order.) Identify the class width. (Tyten an integer or a decimal. Do not round.)
Among fatal plane crashes that occurred during the past 55 years, 348 were due to pilot error, 66 were due to other human error, 597 were due to weather, 104 were due to mechanical problems, and 148 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it?
b) Marks obtained by 89 students in sociology are given below: 2+2+2=6 Marks No. of students 0-6 7-13 12 14-20 15 21-27 20 28-34 16 35-41 12 42-48 6. 49-55 4 56-62 63-69 70-76 Prepare a histogram, a frequency polygon and ogive for this distribution and explain the graphs.
3 and 4
Complete the Frequency Distribution table for the following scores. Scores: 44, 28, 35, 40, 57, 30, 42, 39, 25, 30, 45, 32, 44, 54, 39, 26, 57, 33, 28, 42, 50, 25, 49, 32, 51, 43, 39, 28, 45, 28, 41, 57, 33, 28, 47, 33, 25 Frequency Distribution cf % cum% 55-57 25-27
Consider the following frequency distribution: Score Freq 7,18,6,77,5,20,4,7,3,3,2,1,1,3 ScoreFrequency: 7,18,6,77,5,20,4,7,3,3,2,1,1,3 a. What was the sample size? b. What percent of participants had a score of 4? c. What is the percentile rank for a score of 5? d. What is the score corresponding to the 80th percentile?
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3:1. Form a frequency distribution from the following data by Inclusive Method, taking 4 as the magniliae of class-intervals: 10. 17. 14, 15, 23, 34, 32 21, 22, 11, 16, 12, 19, 15, 26, 24, 18, 22, 29, 18, 25, 17, 33, 20, 27, 30, 28, 15, 24, 29, 36, 18, 23, 38, 13. 10, 16, 20, 31. 19,