From the adult male population of four large cities, random samples of* izes given below were taken and the number of married and single men recorded. Do thedata indicate any significant variations among the cities in the tendency of men to marry ?CityATotalMarried137164152147600Single32575635180Total169221208182780

Answered: Image /qna-images/answer/666a84c5-5030-42fc-95c8-abcdbbc87961.jpg

Answered: From the adult male population of four…

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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3) What proportion of people scored worse than 14 or better than 22, based on the following sample: 20 11 16 26 13 28 15 18 21 14 12 17
Consider these sample data: x1=15, x2=9, x3=3, x4=22. a. Find n. b. Compute ∑xi. c.Determine x. a.n=
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The variance for the sample of student marks given in following table is: number marks of student 1-5 2. 6-10 3 11-15 6. 16-20 10 21-25 4. Total 25 Select one: a. 33.5 b. 19 O C. 24.12 d. 32.16
The following table gives the wealth and percentage population in various regions of a fictitious country (named Ditto): Region Ashire Bshire Cshire West East South North Toptown Toptown Toptown Toptown Wealth 80 110 110 70 120 90 110 Рop % 19 17 8. 19 13 15 Q1.1 What are the mean and variance of the wealth for the whole country? Q1.2 What are the mean and variance of the wealth for those who live in Toptown? Q1.3 What is the probability of living in an area with the mean wealth > 100 if you live in Toptown? Q1.4 What is the probability that you live in Toptown given that you live in an area with mean wealth > 100? Q1.5 You are considering moving to Ditto but are unsure which town is best to live in i.e. which town has the highest wealth per citizen. Is the wealth in Ditto (our fictitious country) fairly distributed between towns? Create a scatter plot and inspect it i.e. inspect the relationship between the population and wealth of an area? What would you expect to see if it was not…
Data was collected for 224 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number of Guests Frequency 120 – 124 23 125 – 129 32 130 – 134 97 135 – 139 56 140 – 144 16 What is the class width for this GFDT?
The lengths (in kilometers) of a random sample of 18 rivers on the South Island of New Zealand that flow to the Pacific Ocean are listed in table below. Lengths of Rivers (in km) 136 121 322 209 208 98 160 66 97 56 90 48 167 64 72 93 288 138 For the data shown above, find the following. Do not round any of your answers. The program here will take either answer.a) Find the 5-number summary: { ,,,, } b) Compute the IQR. Put your answer in the first box and the correct units in the second box. c) What is the lower fence for this data set? What is the upper fence for this data set? d) Which of the following is the correct modified boxplot for the data? What units would go on each of your answers above?
The type of household for the U.S. population and for a random sample of 411 households from a community in Montana are shown below. Type of Household Married with children Married, no children Single parent One person Other (e.g., roommates, siblings) Percent of U.S. Households 26% 29% 9% 25% 11% Observed Number of Households in the Community 106 112 37 91 65 Use a 5% level of significance to test the claim that the distribution of U.S. households fits the Dove Creek distribution.
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