Following is the distribution of persons in U.K.according to difference income groups :IncomeNo. of persons('000£)0-11-22-33-55-1010-2525- 5050 - 100100-1000Calculate the average income per head.1390811176627622|

Given data is Income No. of persons 0-1 13 1-2 90 2-3 81 3-5 117 5-10 66 10-25 27…

Answered: Following is the distribution of…

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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Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 257 215 198 175 159 153 153 153 150 148 What is the confidence interval estimate of the population mean µ? million < µ<$ million (Round to one decimal place as needed.)
The following the distribution of persons according to different income groups Income 0-8 8 - 16 16 - 24 24 32 32 - 40 40 - 48 (in 1000) No of persons 8 7 16 24 15 7 Find the average income of the persons.
ID Cost of Airfares in the US (domestic) 1 146 2 620 3 79 4 299 5 576 6 89 7 589 8 165 9 509 10 23 11 376 12 226 13 462 14 634 15 36 16 226 17 263 18 456 19 390 20 541 21 19 22 329 23 537 24 512 25 423 26 515 27 358 28 110 29 319 30 671 31 561 32 96 33 574 34 385 35 263 36 240 37 449 38 592 39 404 40 119 41 173 42 419 43 495 44 224 45 228 46 616 47 168 48 396 49 524 What if the probability that a domestic airfare is between $300 and $400? What is the cost for the 3% highest domestic airfares? Use Excel functions Dist and Norm.INV to check your answers in Question 2-5.
Because the total population in 2050 is much larger than the Comparison of Population in the United States in 1950 and 2050 (in millions of persons) 1950 population, comparing percentages in each age group is clearer than comparing counts. Make a table of the Age Group 1950 2050 percentage of the total population in each age group for both Under 10 years | 29.3 | 56.2 1950 and 2050. 10 to 19 years 21.8 || 56.7 Only one age group in 1950 represents a larger percentage of the population than it does in 2050. For that age group, 20 to 29 years | 24.0 | 56.2 30 to 39 years | 22.8 | 55.9 determine the difference of the percentages between 1950 and 2050. Report your answer to the tenth of a percent. 40 to 49 years 19.3 52.8 50 to 59 years 15.5 || 49.1 60 to 69 years| 11.0 | 45.0 70 to 79 years 5.5 34.5 difference in percentages: % 80 to 89 years 1.6 | 23.7 90 to 99 years 0.1 8.1 100 years and 0.6 over Total 151.1 310.6
Concise Core Mathemalil () their total income for 2006, if there was a decrease of 8% mcome on advertising, an increase of 5% on donations, but the rest remained unchanged 4. A golf club has its membership categorized as men, women, juniors and social members The pie chart below illustrates the distribution of membership in 2010. Given that there were 147 men and 35 social memberss, calculate Women Men/ 168 48 Junior Social (a) the number of junior members; (b) the angle of the sector representing the social members; (c) the number of women.
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Draw a percentage curve for the following distribution of marks obtained by 700 students in an examination: Marks No. of students Marks No. of students 0-9 9. 50-59 102 10-19 42 60-69 71 20-29 61 70-79 23 30-39 140 80-89 2 40-49 250 Find from the graph () the marks at the 20th percentile, and equivalent to a mark of 65. (i) the percentile
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Following is the distribution of persons in U.K. according to difference income groups : Income No. of persons ('000£) 0-1 1-2 2-3 3-5 5-10 10-25 25- 50 50 - 100 100-1000 Calculate the average income per head. 13 90 81 117 66 27 6 2 2