(i) Inter-quartile Range;for the following distribution :Class Interval(ii) Quartile Deviation:(iii) Coefficient of Quartile Deviation,(0 1515–-3030–-4545- 6060 757590901058263045204

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Answered: (i) Inter-quartile Range: for 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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Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data: For 278 healthy adults, the mean systolic blood pressure level is 119.95 mm Hg and the standard deviation is 15.39 mm Hg. Complete parts (a) and (b). C a. Express the original claim in symbolic form. Let the parameter represent a value with respect to systolic blood pressure of a healthy adult. (Type an integer or a decimal. Do not round.)
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Interpret the Z score for a student who scored an 91 on an exam that had a mean of 86 and a standard deviation of 5. One mean above the standard deviation One standard deviation above the mean One standard deviation below the mean One mean below the standard deviation
The average daily high temperature in degrees Celsius (C) during the month of July was recorded for the 51 largest cities in the United States. Summary measures are shown below. Mean 30.84 Standard Deviation 3.78 Median IQR 31 5 Range 22 Which of the following represents the median and interquartile range (IQR) of these average daily high temperatures in degrees Fahrenheit (F), where F = (3) C + 32? (A) Median = 52.8°F, IQR = 9°F (B) Median = 52.8°F, IQR = 41°F (C) Median 87.8°F, IQR = 5°F (D) Median = 87.8°F, IQR = 9°F (E) Median 87.8°F, IQR = 41°F
Range (and Approximation to Standard Deviation) Find the range for each of the following data sets a) (n= 6), M = 2.5 118, 127, 97, 152, 141, 104 b) (n= 10), M = 3 49, 53, 60, 60, 62, 63, 64, 69, 73, 87 c) (n= 28), M = 4 294, 276, 315, 341, 286, 254, 365, 333, 284, 295, 308, 317, 328, 342 251, 284, 295, 302, 319, 327, 372, 351, 274, 314, 335, 287, 291, 353 The standard deviation can be (simply) approximated by the followin simple formula where n varies depending on the size of the data set, as given in the following table. data points divisor n=4 M=2 n=6 M=2.5 n=10 M=3 n=28 M=4 n=50 M=4.5
Standard deviation of the difference is 1.10 and Mean difference is 0.12 To use a Bland-Altman plot, you are given: The 95% limits of agreement is Select one: O (- 0.636, 4.321) ° (- 1.234, 2.996) O (- 3.231, 0.936) O (- 2.036, 2.276) o (- 2.745,3.241) Ne hp
The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, you can use the coefficient of variation to compare data with different units. Find the coefficient of variation for each sample data set. What can you conclude? Standard deviation CV = • 100% Mean E Click the icon to view the data sets. Data Table C/heights = 5.0 % (Round to the nearest tenth as needed.) Heights Weights CVweights =% (Round to the nearest tenth as needed.) 68 181 77 169 72 167 72 207 71 177 70 175 78 185 69 186 67 221 70 216 67 209 73 206
5) People are waiting in a queue for buying ticket to the cinema. Time required for one person to buy a ticked follows uniform distribution on [2min, 6min]. John arrives to the Cinema 30 minutes before the film starts and there were 10 people waiting in the queue before him. What is the chance that he will be able get his ticket before film starts ?
Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Refer to the accompanying data set. Use a 0.01 significance level to test the claim that women and men have the same mean diastolic blood pressure. E Click the icon to view the data for diastolic blood pressure for men and women. O A. H H=H H: H >2 O B. H H <2 H =2 O P. H H =2 H 2 OC. H: HHz Calculate the test statistic. t= (Round to two decimal places as needed.) Find the P-value. P-value = (Round three decimal places as needed.) Make a conclusion about the null hypothesis and a final conclusion that addresses the original claim. H. There V sufficient evidence to warrant rejection of the claim that women and men have the same mean diastolic blood pressure. Reject nswer(s) Fail to reject Show All a Persuasive Spee.doc a PersuasiveSpch.doc a SamplePPTforP.pptx a Persuasive Spe.docx stv MacBook Air 888 FA esc F1…
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The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible.a. What is the distribution of X? ~ N( , )b. What is the median giraffe height? ________ ft.c. What is the Z-score for a giraffe that is 20 foot tall? _________

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(i) Inter-quartile Range: for the following distribution: Class Interval (ii) Quartile Deviation: (11i) Coefficient of Quurtile Deviation, : (0 15 15--30 30-45 45- 60 75 75 90 90 105 26 30 45 09 20