8 How bandwidth of operation of an electronic system controls the noise content init ?

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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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20) A study in the Los Angeles Times reported that the number of liquor stores in a neighborhood has a strong positive linear association with the amount of crime in that neighborhood. What can you determine about the relationship between the number of liquor stores and the amount of crime? Neighborhoods with a higher number of liquor stores tend to have a higher amount of crimes. People who live in neighborhoods with more liquor stores commit more crimes. If we decrease the number of liquor stores in a neighborhood, the amount of crimes will decrease. No conclusions can be drawn without seeing a scatterplot of the data.
The breakdown of the numerical grade of this course is: Homework (20%) Quiz + Participation (10%) Midterm1 (20%) Midterm2 (20%) Final exam (30%) and that the final grade can replace the lowest midterm, given 1. final exam score is greater than the lower midterm score, 2. you attended 90% + lectures. Suppose grades in each category (after dropping lower homework and quizzes) are Homework Quiz + Participation Midterm 1 Midterm 2 Final 85 90 70 80 75 and the attendance rate is 80%, What is the course grade (without considering the extra credits)??
Economics 2. (35) Consider the quarterly sales data:datal = {10, 31, 43, 16, 11, 33, 45, 17, 14, 46, 50, 21, 19, 41, 55,25). a) Forecast demand for 6th month by using 2 month MA. b) Forecast demand for 6th month by using by employing EWMA with a= 0:9 .c) Which forecast result you would prefer? and why?
Discuss the concept of Queuing Theory and its areas of application.
hunt alone, while other times they form hunting parties. The following table summarizes research on chimpanzee hunting 7. A famous researcher observed that chimpanzees hunt and eat meat as part of their regular diet. Sometimes chimpanzees ant alone, while other times they form hunting parties, The following table summarizes research on chimpanzee hunting Parties, giving the size of the hunting party and the percentage of successful hunts. Complete parts (a) thnrough (C) below. Numbers of a. Plot the data. Choose the correct graph below. Chimps in Hunting Party Percentage of Successful Hunts В. O A. Ay 90- 1 17 90- 2 27 3 25 4 39 0- 37 17 17 6. 55 7 42 OC. D. 8 59 Ay 90- 90- 9 62 10 65 12 72 13 72 14 77 17 17 15 72 16 79 Do the data points lie in a linear pattern? Yes No b. Find the correlation coefficient. Combining this with the answer to part (a), does the percentage of successful hunts tend to increase with the size of the hunting party? r= (Do not round until the final answer. Then…
Can you solve this? Explain each steps and how you got your answers?
D. In panel data, there are two key models, REM and FEM. Explain what the two models are, stating their key assumptions, differences, advantages and disadvantages.
Burning fuels in power plants and motor vehicles emits carbon dioxide (CO2), which contributes to global warming. The CO2 emissions (metric tons per capita) for countries varies from 0.02 in Burundi to 44.02 in Qatar. Although the data set includes 214 countries, the CO2 emissions of 15 countries are not available on the World Bank database. The data set is too large to display but the data for the first five countries is given. Use the full data set with data on the 214 countries to answer the questions. To access the complete data set, click the link for your preferred software format: Excel Minitab JMP SPSS TI R Mac-TXT PC-TXT CSV Crunchlt! Country CO2 Emissions (Metric Tons per Capita) Aruba 23.92 Andorra 5.97 Afghanistan 0.43 Angola 1.35 Albania 1.61 Find the mean and the median for the full data set. Round your answers to three decimal places. The mean for these data is tons per person The median for these data is tons per person
Chapter 3, Section 1, Exercise 001 State whether the quantity described is a parameter or a statistic and give the correct notation.Average household income for all houses in the US, using data from the US Census.
5. The electric power consumed each month by a chemical plant to thought to be related to the average ambient temperature x₁, the number of days in the month X2, the average product purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. y 240 236 270 274 301 316 300 296 267 276 288 261 X₁ 25 31 45 60 65 72 80 84 75 60 50 38 X₂ 24 21 24 25 25 26 25 25 24 25 25 23 X3 91 90 88 87 91 94 87 86 88 91 90 89 X4 100 95 110 88 94 99 97 96 110 105 100 98
Helena gathers data about the music preferences of users of a social media application. She gathers information on music events (MEs). In her study, a music event is defined as a posting that has a hashtag or is linked to other video- sharing websites. 1. From her data, Helena claims that about 15% of MEs on the application are hip hop/rap. Juan wants more proof of her claim. • Juan uses technology to determine the genres of music of 100 MEs he chooses at random. He determines that 9 were hip hop/rap. • Juan points out the 9% rate to Helena. Part A Assume Helena is correct and 15% of MEs on the app are hip hop/rap. Use random numbers and a simulated sampling distribution to simulate the outcome of several trials, in which each trial samples 100 MEs from the app and counts the number of hip hop/rap MEs. Make a histogram for your data. Is the model consistent with what you would expect? Explain.
A system has four independent and identical units in parallel. Each unit’s failure rate is 0.0005 failures/h. Calculate the system reliability, if at least two units must operate normally for the system success during a 100-h mission.

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How bandwidth of operation of an electronic system controls the noise content in it ?