As a promotional gimmick, OHaganBooks.com has been selling copies of Encyclopaedia Galactica at an extremely low price that is changed each week at random in anationally televised drawing. The following table gives the frequency with which each price will be chosen and summarizes the anticipated sales.Price $5.50 $10 $12$15Frequency (weeks)1234Weekly Sales6,600 3,900 3,200 1,500OHaganBooks.com originally paid Duffin House $20 per copy for the Encyclopaedia Galactica. What is the expected weekly loss from sales of the encyclopædia?Loss per copy sold x Number of copies sold.)(Loss-

Step 1: Calculate the expected loss per copy at each price point.Since originally the cost is $20,…

Answered: As a promotional gimmick,…

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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For each of the following, you will need to draw a sketch of a histogram (it can be a rough sketch)and explain your drawing. For each histogram sketch, consider the x-axis to be prices grouped bycategory, and consider the y-axis to be frequency. The prices can represent whatever type of itemmakes sense for your example.a. Sketch a histogram which shows a data set that is skewed to the left. Explain the features ofyour sketch which make it left-skewed. Describe an example of a type of data set whichmight have this shape.b. Sketch a histogram which shows a data set that is skewed to the right. Explain the features ofyour sketch which make it right-skewed. Describe an example of a type of data set whichmight have this shape.c. Sketch a histogram which shows a data set that is approximately symmetric. Explain thefeatures of your sketch which make it symmetric. Describe an example of a type of data setwhich might have this shape.
A number of tools can be used in business process improvement. Of them a __________ is a type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line.
Following shows the numbers of Amazon Prime members in the millions, each quarter from 2016 to 2021. Quarter 2016 2017 2018 2019 2020 2021 1 26 36 48 62 81 98 2 27 37 50 65 83 103 3 29 40 53 69 86 109 4 33 44 57 74 93 117 Construct a line chart using the data. Describe the relationship between the time and number of subscribers.
. Death 2010 The January 2012 National Vital StatisticsReport by the Centers for Disease Control and Preventionincluded information on deaths in the United States forthe year 2010. The 4 most common causes-heart disease,cancer, respiratory diseases, and stroke-accounted fornearly 60% of all deaths. What problems do you see withthe graph at the top of the next column?
Which type of graph would you recommend to show each of the following? Why? a.) A comparison of changes in average annual per capita income for the U.S. and Japan from 2000 to 2018. b.) The percentage composition of average family expenditure patterns, by the major types of expenditures, for families whose heads are under age 35 compared with families whose heads are 55 or older. c.) A comparison of the changes in charitable giving between Dec. 31, 2008, and Dec. 31, 2018.
Question 3 Refer to the stack plot below. The vertical scale is the proportion of sales. (a) Describe the proportion of sales for puzzle games between 1985 and 2015. (b) Which genre(s) increased in proportion of sales between 2010 and 2015? (c) Which genre had the largest proportion of sales in 1985? Video Games by Year and Genre: 1980-2016 1.0- 0.9- Genre 0.8 Action Advente Fighting Misc Platform Puzzle 0.7- 0.6- 0.5- Racing Role-Play Shooter Simulation 0.4- 0.3 0.2- Sports Strategy 0.1- 0.0- 1980 1985 1990 1995 2000 2005 2010 2015 O True O False
Short Answer Questions 6-9 will use the data below representing a frequency distribution for majors in the School of Liberal Arts and Education. X F Sociology 50 Psychology 40 Criminal Justice 60 Political Science 25 Music 20 Journalism 15 Drama 0 What percentage of students majored in Political Science?
Suppose a researcher collects data on the air pollution levels, measured in milligrams per cubic meter, for both urban and rural areas in 35 states. The data is plotted with urban air pollution levels on the horizontal axis and rural air pollution levels on the vertical axis. Nevada is an outlier in the ?x‑direction. What must be true about this state? The urban air pollution levels for this state are much higher or lower than the rest of the states in the data set. The rural air pollution levels for this state are much higher or much lower than the rest of the states in the data set. This state is an influential observation. The rural air pollution levels for this state are much higher or lower than other states in the data set that have similar urban air pollution levels. The absolute value of the residual of this state is large.
For a particular red wine, the following data show the auction price for a 750-milliliter bottle and the age of the wine in June of 2016. Age (years) 37 20 29 33 41 26 29 45 34 22 Price ($) 256 142 217 255 331 168 209 297 237 182

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