4. [The operations manager of a musical instrument distributor feels that demand for aparticular type of guitar may be related to the number of YouTube views for a music video by thepopular rock group Marble Pumpkins during the preceding month. The manager has collected thedata shown in the following table:YouTube VIEWS (1,000s)GUITAR SALES (1000s)50860117513901495155513a.Using the equations presented in this chapter or Excel tools, compute the SST, SSE, andSSR. Find the least-squares regression line for these data.b.Using the regression equation, predict guitar sales if there were 40,000 views last month.

The demand for a particular type of guitar depends upon the number of Y views for a music video.…

Answered: T The operations manager of a musical…

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 price drivers pay for gasoline often varies a great deal across regions throughout the United States. The following data show the price per gallon for regular gasoline for a random sample of gasoline service stations for three major brands of gasoline (Shell, BP, and Marathon) located in eleven metropolitan areas across the upper Midwest region (OhioGasPrices.com website, March 18, 2012). Click on the datafile logo to reference the data. DATA file Shell BP Metropolitan Area Marathon Akron, Ohio Cincinnati, Ohio Cleveland, Ohio Columbus, Ohio Ft. Wayne, Indiana Indianapolis, Indiana Lansing, Michigan Lexington, Kentucky Louisville, Kentucky Muncie, Indiana Toledo, Ohio 3.77 3.72 3.87 3.76 3.78 3.87 3.89 3.79 3.83 3.83 3.85 3.77 3.83 3.85 3.93 3.84 3.84 4.04 3.87 3.87 3.99 3.79 3.78 3.81 3.69 3.78 3.84 3.84 3.83 3.79 3.79 3.86 3.86 Use a = .05 to test for any significant difference in the mean price of gasoline for the three brands. Round SS to 6 decimals, MS to 6 decimals, F to 2…
A research study recorded the out-of-state tuition fees for a sample of public and for-profit colleges in the United States, and the results can be downloaded from the data file Tuition. Summarize this data by creating histograms with StatKey, and submit your graph as a PDF. When creating your graphs, please make sure the number of buckets is set to 10.
Classify the data as either discrete or continuous.The number of freshmen entering college in a certain year is 621. Group of answer choices Discrete Continuous
The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator is recommended.) Pterosaur Data Humerus, x Wingspan, y Humerus, x Wingspan, y 27 576 32 589 33 605 35 745 25 559 24 552 23 472 22 461 18 411 17 410 1.5 36 1.4 30 1.3 29 0.9 28 0.8 24 (a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth. (b) Use the equation from part (a) to determine, to the nearest centimeter, the projected wingspan of a pterosaur if its humerus is 56 centimeters. cm
The owner of a radio station wants to determine how much airtime songs take up. The owner collects the song length in seconds of 10 popular songs. The data are reproduced in the table below. Calculate the mode(s) using a TI-83. TI-83 plus, or TI-84 graphing calculator. Length of Songs in Seconds 279 219 298 134 206 293 165 227 230 212
Solve. 4) Construct a box plot from the data below. 20 25 26 26 26 272933 41 43 45 46 47 4850 50 50 51 53 55 57 60 61 62 63
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The following table gives the annual revenue for the Microsoft Corp. in billions of dollars for a ten-year period. Year Microsoft 2007 2008 51 60 2009 2010 58 62 2011 2012 70 73 2013 2014 2015 2016 78 86 94 85 Construct and upload a boxplot for the Microsoft data. Be sure to label all the important numbers for the box plot.
Combine the two sets of data into one group. Determine the median and express in percent the number of students from each group whose scorce are below the median and above the median.
A food quality inspector records the freezer temperature of a random sample offreezers from 11 supermarkets and record the temperatures (in degrees Celsius) as follows−12, −16, 0, −4, 5, − 9, − 9, − 7, − 5, 3, − 10Evaluate the interquartile range for this data.
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