2. According to the records of the National Safety Council, accidental deaths in the SouthAfrica during 2010 had the following distribution according to the principal types ofaccidents.MotorFallsDrowningFirePoisonOtherVehicle45%15%4%3%16%17%Suppose that an accidental death data set from a particular geographical region yielded thefolowing frequency distribution for the principal types of accidents:Motor Vehicle FallsDrowningFirePoisonOther4421614233162150Do these data show a significantly different pattern in the distribution of accidental deaths inthe particular region compared to the pattern in the entire South Africa? Use a 1% significancelevel.

Solution: Given information: k= 6 categories n= 442 +161+ 42+33+161+150 n= 990 total number of…

Answered: Africa during 2010 had the following…

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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The accompanying table contains historical data on staff salaries (in dollars per pupil) for 30 schools sampled in part of a country in the early 1970s. I need help with this part attached. 3.86 2.80 2.71 2.95 3.08 1.802.60 3.32 2.52 2.12 2.58 2.682.76 2.85 3.67 3.84 3.43 2.122.94 2.83 3.04 2.43 2.18 3.693.21 3.67 2.39 2.61 3.42 3.45 The sample mean is 2.9183 The sample standard deviation is 0.5495
The table shows a portion of the data for a sample of 51 private colleges and universities. The data include the name of the college or university, the year the institution was founded, the tuition and fees (not including room and board) for the most recent academic year, and the percentage of full-time, first-time bachelor’s degree-seeking undergraduate students who obtain their degree in 6 years or less (The World Almanac). A. Prepare a scatter diagram to show the relationship between Tuition & Fees (in USD 1000s , on the horizontal axis) and % Graduate (on the vertical axis). Choose the correct diagram. School Year Founded Tuition & Fees % Graduate School Year Founded Tuition & Fees % Graduate American University 1893 $36,697 79.00 Northwestern University 1851 $40,224 93.00 Baylor University 1845 $29,754 70.00 Oral Roberts University 1963 $20,044 53.00 Boston College 1863 $40,542 91.00 Providence College 1917 $39,435 88.00 Brown University 1764 $42,230…
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A graduating class reported starting salaries represented on the following frequency table. Number of students Starting Salary ($) 10 15,000 17 20,000 25 25,000 38 30,000 27 35,000 21 40,000 45,000 For the data in the table above, what is the MEAN?
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A survey collected data on annual credit card charges in seven different categories of expenditures: transportation, groceries, dining out, household expenses, home furnishings, apparel, and entertainment. Using data from a sample of 42 credit card accounts, assume that each account was used to identify the annual credit card charges for groceries (population 1) and the annual credit card charges for dining out (population 2). Using the difference data, with population 1– population 2, the sample mean difference was d = $870, and the sample standard deviation was s,= $1,125. (a) Formulate the null and alternative hype to test for no difference between the population mean credit card charges for groceries and the population mean credit card charges for dining out. 0> Prt :°H 0 = Pri :ºH O O Ho: Hdso H: H=0 (b) Calculate the test statistic. (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) Can you conclude that the population…
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