Example 6.19 From the data given in the following table, find out which of the two series is moreconsistent?Variable10-2020-3030-4040-5050-6060-70Series A1016341838243420Series B1822388

Answered: Image /qna-images/answer/273d0b5c-9770-43de-b639-a022cfe6bc3f.jpg

Answered: Example 6.19 From the data given in the…

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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Question 2(a). 20 The data below provide information about 23 observations taken in a series of different medical treatment for heart diseases patients. The variables patient's heart beat (per minutes). Obs 1 2 3 4 5 6 7 8 9 10 11 12 MASKIBSGEN 13 14 15 16 17 18 19 20 21 22 23 patient's heart beat 70.50 77.30 82.22 62.32 77.34 70.54 63.23 87.32 73.35 85.31 67.89 70.90 67.72 75.31 77.30 86.35 88.14 90.34 65.25 84.21 79.25 60.37 62.21 a) Define the type of the data b) Create the frequency, relative frequency table, and a histogram using equal-width classes with the first class having a lower limit of 60 and class width of 4. c) What is the proportion of observations less than 72? d) Calculate measures of central location and interpret them e) Calculate the range, the variance and the standard deviation f) Calculate the five-number summary of the data g) Draw the boxplot for the data. Show the five-number summary in the graph, and calculate if there are any outliers in the data
Question 1. Calculate the arithmetic mean, variance, and the coefficient of variation for the given data: Marks 31-35 36-40 41-45 46-50 51-55 56-60 61-65 Obtained Number of 5 12 25 30 25 12 5 students
An annual marathon covers a route that has a distance of approximately 26 miles. Winning times for this marathon are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. Earlier Period 10 8 14 20 16 17 21 21 18 1218 13 16 24 17 15 15 16 19 6 Recent Period 12 10 8 9 9 9 8 8 8 109 9 9 7 7 13 13 8 7 7 (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. Use two lines per stem. (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. Use two lines per stem. (c) Compare the two distributions. How many times under 15 minutes are in each distribution?
Question 2
Q.5 The following distribution shows the drying times in hours of a certain brand of latex paint. Draw its frequency curve and comment on it about the trend of drying times. Drying Times (Hours) Frequency 2.0-2.4 2.5-2.9 3.0-3.4 3.5-3.9 4.0-4.4 4.5-4.9 12 15 20 25 18 10
1 2 3 Class Tally 4 5 1 2 3 4 Class 5 IIII IIIII Total IIIII IIII IIIII I 6 5 4 5 6 Frequency 5 4 4 Frequency 5 Tennis 4 Classes Basketball 8 Football 2 Cricket 4 Swimming 11 5 4 f.x 10 18 20 20 Cumulative frequency 4 9 15 20 N= Ef=24 Exf=72 24 4 9 15 20 24 Differentiate between the data in each table and in your opinion which table would give a better representation of ages of the students at your school. Cumulative frequency Frequency Angle on the pie chart 6. Complete the table above and create a pie chart.
QUESTION 1: X-107.5 If U = then find mean by direct method for following data: -2 -1 0. 1 4 17 37 35 28 15 11
Question 2 What does the notation X-N(2,5) mean? A) X belongs to the set N, which contains the numbers 2 and 5. B X is normally distributed with mean = 2 and standard deviation = 5. с X is normally distributed with mean = 5 and standard deviation=2. X is a normally distributed variable than can equal 2 or 5.
Question 4 Documentation for CollegeDistance DataThese data are taken from the HighSchool and Beyond survey conducted by the Departmentof Education in 1980, with a follow-up in 1986. The survey included students fromapproximately 1100 high schools. The data in CollegeDistance exclude students in the western states. The data inCollegeDistanceWest includes only those students in the western states.Series in Data Set Name Descriptioned Years of Education Completed (See below)female 1 = Female/0 = Maleblack 1 = Black/0 = Not-BlackHispanic 1 = Hispanic/0 = Not-Hispanicbytest Base Year Composite Test Score. (These are achievement tests given tohigh school seniors in the sample)dadcoll 1 = Father is a College Graduate/ 0 = Father is not a College Graduatemomcoll 1 = Mother is a College Graduate/ 0 = Mother is not a College Graduateincomehi 1 = Family Income > $25,000 per year/ 0 = Income ≤ $25,000 per year.ownhome 1= Family Owns Home / 0 = Family Does not Own Homeurban 1 = School in Urban…

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Example 6.19 From the data given in the following table, find out which of the two series is more consistent? Variable 10-20 20-30 30-40 40-50 50-60 60-70 Series A 10 16 34 38 24 18 Series B 18 22 38 34-05 20 8