50. A survey of commercial buildings served by the Cincinnati Gas & Electric Company askedwhat main heating fuel was used and what year the building was constructed. A partialcrosstabulation of the findings follows.YearConstructed#ITÏTI1973 or before1974-19791980-19861987-1991Electricity Natural Gas40243748183Fuel Type3870Oil Propane Other12a. Complete the crosstabulation by showing the row totals and column totals.b. Show the frequency distributions for year constructed and for fuel type.c. Prepare a crosstabulation showing column percentages.d.Prepare a crosstabulation showing row percentages.e. Comment on the relationship between year constructed and fuel type.

*Answer: The given data is Year Constructed Electricity Natural Gas Oil propane…

Answered: eating fuel was used and what year 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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Students who are home-schooled often attend their local schools to participate in various types of activities such as sports or musical ensembles. According to the government, 82% of home-schoolers receive their education entirely at home, while 12% attend school up to 9 hours per week and 6% spend from 9 to 25 hours per week at school. A survey of 85 students who are home-schooled revealed the following information about where they receive their education. Entirely at home Up to 9 hours 9 to 25 hours 50 25 10 At α=0.05, is there suffificient evidence to conclude that the proportions differ from those stated by the government?
6.6 The Department of Natural Resources (DNR) received a complaint from recreational fish- ermen that a community was releasing sewage into the river where they fished. These types of releases lower the level of dissolved oxygen in the river and hence cause damage to the fish resid- ing in the river. An inspector from the DNR designs a study to investigate the fishermen’s claim. Fifteen water samples are selected at locations on the river upstream from the community and fifteen samples are selected downstream from the community. The dissolved oxygen readings in parts per million (ppm) are given in the following table. Upstream 5.2 4.8 5.1 5.0 4.9 4.8 5.0 4.7 4.7 5.0 4.6 5.2 5.0 4.9 4.7 Downstream 3.2 3.4 3.7 3.9 3.6 3.8 3.9 3.6 4.1 3.3 4.5 3.7 3.9 3.8 3.7 a. In order for the discharge to have an impact on fish health, there needs to be at least an .5 ppm reduction in the dissolved oxygen. Do the data provide sufficient evidence that there is a large enough reduction in the mean…
Assuming the total number of students studying in the top four universities in the Philippines isapproximately 158,000.And the distribution is as follows:University of the Philippines (UP) - 40% of the total numberAteneo de Manila University (ADMU) - 23,700De La Salle University (DLSU) - 25% of the total numberUniversity of Santo Tomas - 20% of the total numberAnd only the following number of students owns a tablet computer:20% of UP students85% of ADMU students90% of DLSU students85% of UST studentsWhat is the total market penetration of tablet computers among the students of the top fouruniversities?What is the total market size of tablet computers in the top four universities?
The human resource manager at a car dealership wants to know if the ages of its employees are related to the department that they work in. Data was compiled and tabulated in a 2-way contingency table. The employees were classified according to their age and department. Sales Accounts Marketing RepairsTotal20-29 8 10 27 43 88 17.74 *** 26.20 23.62 30-39 29 26 38 22 * 23.18 26.72 34.24 30.86 40-49 33 32 72 82 219 44.15 50.88 44.15 65.20 50-59 81 106 86 54 327…
______ are defined as the means in a table that represent a main effect. Group of answer choices Main means Marginal means Cell means Interaction means
Four hundred sixty-five people were surveyed as they left the FSU-Virginia basketball game at the Tucker Center. The results were as follows: 240 attended the FSU-Marist game (M) 200 attended the FSU-Butler game (B) 240 attended the FSU-NC State game (NCS) 90 attended the Marist game and the NC State game 80 attended the NC State game and the Butler game 100 attended the Butler game and the Marist game 30 attended all three of the games Sketch a Venn diagram and answer the questions below. How many attended at least two of these games? How many attended the Marist and Butler games, but not the North Carolina State game? How many attended the North Carolina State or the Butler game?
Assuming the total number of students studying in the top four universities in the World is approximately 158,000.And the distribution is as follows: Harvard University (HU)- 40% of the total numberUniversity of Oxford (UO)- 23,700Standford University (SU)- 25% of the total numberMassachusetts Institute of Technology (MIT) - 20% of the total number And only the following number of students owns a tablet computer:20% of HU students85% of UO students90% of SU students85% of MIT students What is the total market penetration of tablet computers among the students of the top four universities? What is the total market size of tablet computers in the top four universities?
Four hundred fifty-five people were surveyed as they left the FSU-Virginia basketball game at the Tucker Center. The results were as follows: 220 attended the FSU-Marist game (M) 205 attended the FSU-Butler game (B) 240 attended the FSU-NC State game (NCS) 110 attended the Marist game and the NC State game 95 attended the NC State game and the Butler game 70 attended the Butler game and the Marist game 40 attended all three of the games Sketch a Venn diagram and answer the questions below.MBNCSU[Graphs generated by this script: initPicture(-6.5,6.5,-5.5,5.5);circle([0,-1.7],3);circle([2,2],3);circle([-2,2],3);fontbackground='white';text([-4.5,4.5],'M');text([4.5,4.5],'B');text([-2.2,-4.5],'NCS');text([6.2,5],'U');] How many attended only the FSU-Butler game? How many did not attend the Marist, Butler, or North Carolina State games? How many attended at least two of these games? How many attended the Marist and Butler games, but not the North Carolina State game? How…
Kentville, a community of 10,000 people, resides next to a krypton mine, and there is a concern that the emission from the krypton smelter have resulted in adverse effects. Specifically, Kryptonosis seems to have killed 12 of Kentville’s inhabitants last year. A neighboring community, Lanesburg, has 25,000 inhabitants and is far enough from the smelter to not be affected by the emission. In Lanesburg, only three people last year died of Kryptonosis. Given that the number of deaths in Kentville and their causes last year were: Heart attack=7 Accidents=4 Kryptonosis=12 Other=6 What is the risk of dying of Kryptonosis in Kentville relative to non-contaminated locality?What is the risk of dying of Kryptonosis in Kentville relative to deaths due to other causes? How many times the chance of dying of Kryptonosis compared to dying of accidents ? How many times the chance of dying of Kryptonosis compared to Other causes?
Which of the following is a benefit of a within-groups design over a between-groups design?
1. A survey of 60 people showed that: • 25 read The Daily Inquirer • 26 read The Philippine Star • 26 read The Manila Bulletin • 11 read both The Daily Inquirer and The Philippine star • 9 read both The Daily Inquirer and The Manila Bulletin • 8 read both The Philippines Star and the Manila Bulletin • 3 read all 3 daily newspaper Find: a. Find the number of people who read at least one of the daily newspapers. b. Fill in the correct number of people in each of the 8 regions of the Venn Diagrams where P, Q, and R denotes the set of people who read the The Daily Inquirer, The Philippine Star, and The Manila Bulletin. c. Find the number of people who read the exactly one newspaper.
Four hundred twenty-five people were surveyed as they left the FSU-Virginia basketball game at the Tucker Center. The results were as follows: 205 attended the FSU-Marist game (M) 185 attended the FSU-Butler game (B) 185 attended the FSU-NC State game (NCS) 75 attended the Marist game and the NC State game 90 attended the NC State game and the Butler game 75 attended the Butler game and the Marist game 45 attended all three of the games Sketch a Venn diagram, save it as a pdf and attach your work. Then answer the questions below. How many attended only the FSU-Butler game? How many did not attend the Marist, Butler, or North Carolina State games? How many attended at least two of these games? How many attended the Marist and Butler games, but not the North Carolina State game? How many attended the North Carolina State or the Butler game?

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