29. Eleven cities are ranked according the their pollution levels and occurrencepulmonary diseases. Is there any relation between pollution and pulmonary disease ?rloisMComment on the findings:CityJKCoa D1AGPollution108.11:Pulmonary Disease700a.31112109.:008,S111.4 08.2+ Ae 4.4-4 5

Answered: Image /qna-images/answer/4e2ac16d-4360-4566-8990-362dca4300d0.jpg

Answered: 29. Eleven cities are ranked according…

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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24. When the connected points on a scatterplot make a perfect y=x line, what is its (correlation) r-value? Group of answer choices r = -1 r = 0 r = 1 r = 0.5
4. A Warranty data for an automobile component is shown below: # failures # of Censored # vehicles Mileage within band Δη, beginning of interval h, Pi R. within band i+1 0-2 400 200000 2--4 200 199600 4--6 150 5 199400 6--8 120 15 199245 8--10 110 150 199110 10--12 105 800 198850 12--14 120 2000 197945 14--16 85 3500 195825 16--18 90 6000 192240 18--20 78 8000 186150 20--22 90 10300 178072 22--24 68 12000 167682 24--26 58 13000 155614 26--28 50 13500 142556 28--30 59 13000 129006 30--32 56 12000 115947 32--34 55 11800 103891 34--36 80 11500 92036 >36 80456 80456 Totals 198026 Estimate reliability at the end of 12K, 24K, and 36K miles
20. It is of interest to determine the effect of different feed formulations on the hardness of shells of quail eggs. Eighteen feed formulations were randomly assigned to quails. Three different races of quails were used as blocks. After a week of feeding their assigned formulations, the hardness of the quail eggs was measured. This experimental set-up was done in five quail farms located in different parts of Luzon. Which of the following is(are) TRUE? 1. Combined analysis is applicable since the same experimental design was employed across farms. II. The objective of the analysis is to determine the adaptability of the feed formulations across farms. A. I only B. II only C. Both I and II D. Neither I nor II
4. Define the following terms and give example each: Population Sample Survey 1. 11. 11. Iv. Census V. Parameter VI Statistic
8. a) The mean of 6 different plots of acidic soil samples is 3.2. An extra plot with pH value 3.9 is included in the sample. What is the new mean? b) Five soil samples have a mean of 12 dS/m for soil electrical conductivity (EC). When a soil sample was removed, the mean is 11 dS/m. What is the value of the soil EC been removed? 9. Loss of calcium is a serious problem for older women. At the beginning of a study on the influence of exercise on the rate of loss, the amounts of bone mineral content in the radius bone of the dominant hand of 11 elderly women were: 0.88, 1.06, 0.90, 1.06, 0.79, 0.80, 0.85, 0.91, 0.94, 1.00, 0.72 Calculate: (a) The mean. (b) The median. (c) The mode. (d) A researcher says: "The mode seems to be the best average to represent the data in this survey." Give ONE reason to support this statement.
Interpolate the following data set with linear spline interpolation x; -6.8 1.5 16.0 yi |-63.61 18.6 |40.1 The linear spline interpolation will give the following value for y in x = −3.3: (Use as many digits as possible in your calculations) Answer: The linear spline interpolation will give the following value for y in x = 11.5: (Use as many digits as possible in your calculations) Answer:
2.3.1 Which is the highest level of measurement possible for each of the following variables? a. Daily high temperature for a given year in Chicago b. Marital status of the applicants for a particular job c. Class standings at a university (freshman, sophomore, etc.) d. Colors of roses e. Weights of all American-made cars f. Number in attendance per day at a particular high school g. Birthdays of people in a certain group
1. A study of the relation between the waistline and percent body fat in men yielded the data shown (waistline measurement in inches). waistline (x) 34.7 46.5 32.8 41.3 29.8 39.3 35.7 29.0 percent fat (y) 21.8 33.6 13.4 27.1 13.7 30.2 18.5 11.2 x = 36.1375 y = 21.1875 SSxx = 248.53875 SSay = 332.67375 SSyy = 494.30875 (a) Find the proportion of the variability in percent body fat that is accounted for by the size of the waistline. Explain fully. (b) Find the regression line for predicting y from x. (c) Construct a 95% confidence interval for the average percent body fat of all men whose waistline size is 34.0 inches. (d) test HO: Beta1 is 0 vs. Ha : Beta1 is not 0, compute the appropriate test statistic and p-value, then make your decision at a = 0.05. (e) Construct a 90% confidence interval for beta1. (f) Compute a 90% confidence interval for the average percent fat when waistline is 35.
Search and Rescue of DND provides various statistics on boating accidents in he Maritimes and B.C. These statistics include information on the wind speed at the time of the accident. The following chart includes information recorded for 184 accidents on both coasts for the same time period: Wind Conditions Accidents West Coast Accidents East Coast Nil 13 6 Light 74 42 Moderate 30 15 Strong or higher 3 1 a) Suppose xe indicates the wind conditions in the East Coast where xe=0 indicates Nil, xe=1 indicates Light, xe = 2 indicates moderate and xe = 3 indicates Strong or Storm. Also suppose that xw indicates the wind conditions on the West Coast and xt indicates…
4.2#12 Amwser question 12
4.3 Suppose the heights of all female students at University of Maryland in College Park are known to be normally distributed with u 5'5" and o= 2'', find the percentage of female students = a. under 5'2". b. between 5'2" and 5'8". c. between 5'8" and 5'9".
32)

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