40. Beer: The following table presents the number of active breweries for samples of states located east and west of theMississippi River.StateConnecticutDelawareFloridaGeorgiaIllinoisKentuckyMaineMarylandMassachusettsNew HampshireNew JerseyNew YorkNorth CarolinaSouth CarolinaTennesseeVermontEastNumber of Breweries State18104722521338234016207646141920AlaskaArizonaCaliforniaColoradoIowaLouisianaMinnesotaMontanaSouth DakotaTexasUtahWestNumber of Breweries1731305111216413053715Page 107Source: http://www.beerinstitute.org/a. Find the mean number of breweries for states east of the Mississippi.b. Find the mean number of breweries for states west of the Mississippi.c. Find the median number of breweries for states east of the Mississippi.d. Find the median number of breweries for states west of the Mississippi.e. Does one region have a lot more breweries per state than the other, or are they about the same?f. The sample of western states happens to include California. Remove California from the sample of western states, and compute themean and median for the remaining western states.g. How does the removal of California affect the comparison of the number of breweries between eastern and western states?Y

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Answered: 40. Beer: The following table presents…

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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According to the 2016 Consumer Expenditure Survey, Americans spend an average of $1,124 on cellular phone service annually.† Suppose that we wish to determine if there are differences in cellular phone expenditures by age group. Therefore, samples of 10 consumers were selected for three age groups (18–34, 35–44, 45 and older). The annual expenditure for each person in the sample is provided in the table below. 18–34 35–44 45 and Older 1,355 969 1,135 115 434 956 1,456 1,792 400 2,045 1,500 1,374 1,621 1,277 1,244 994 1,056 825 1,937 1,922 763 1,200 1,350 1,192 1,567 1,586 1,305 1,390 1,415 1,510 (a) Compute the mean, variance, and standard deviation for each of the three samples. (Round your answers to two decimal places.) 18–34 35–44 45+ mean $ $ $ variance standard deviation $ $ $
Suppose a certain retailer sells several models of refrigerators. A random sample of the models sold by this retailer and their corresponding cubic feet (cu. ft.) and list price can be found below. Model Cu. Ft. List Price Model 1 18.3 $899.99 Model 2 24.8 $1,799.99 Model 3with Thru-the-Door Ice and Water 25.4 $1,799.99 Model 4 19.3 $749.99 Model 5 17.3 $599.99 Model 6with Thru-the-Door Ice and Water 19.6 $1,619.99 Model 7 25.0 $999.99 Model 8 24.5 $1,299.99 Model 9with Thru-the-Door Ice and Water 25.4 $1,299.99 Model 10with Thru-the-Door Ice and Water 26.0 $1,299.99 Model 11with Thru-the-Door Ice and Water 25.6 $1,099.99 Model 12 18.0 $679.99 Model 13with Thru-the-Door Ice and Water 25.0 $2,199.99 Model 14 20.8 $849.99 Model 15 15.5 $549.99 Model 16with Thru-the-Door Ice and Water 28.2 $2,599.99 Model 17 27.8 $2,999.99 Model 18with Thru-the-Door Ice and Water 26.6 $2,399.99 Model 19with Thru-the-Door Ice and Water 22.6 $1,099.99 Model 20with…
The Vice-President for Academic Affairs of SLU wished to understand the distribution of students in the academic programs in the institution for the first semester of school year 2020-2021. The numbers of students by school are the following: School Number of Students Teacher Education and Liberal Arts 2,069 Natural Sciences 2,565 Nursing 3,672 Engineering and Architecture 6,534 Accountancy, Management, Computing and Information Studies 8,381 Law 1,588 Medicine 1,418 Total Do these data contradict a claim that the distribution of students in the academic programs is uniform?
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…
Here are data for 15 subway systems in the United States and Puerto Rico Heavy Urban Rapid Rail Systems in the U.S. System Length (Miles) Index Number of Stations Index NYC Subway 245.0 472 Washington Metro 117.0 91 Chicago "L" 102.8 146 Massachusetts Bay Transportation Authority 38.0 53 Bay Area Rapid Transit 112.0 46 Southeastern PA Transity Authority 36.7 75 Path 13.8 13 MARTA Rail Transit 47.6 38 Metro Rail (Los Angeles) 17.4 16 Metro Rail (Los Angeles) 24.4 23 PATCO (Philadelphia, So. New Jersey) 14.2 133 Baltimore Metro Subway 15.5 14 Staten Island Railway 14.0 22 RTA Rapid Transit (Cleveland) 19.0 18 Tren Urbano (San Juan) 10.7 16 Average 55.2 78.4 Calculate index numbers for each subway system for: The length of the system in miles (Use the arithmetic mean as your base) The number of subway stations (Use the arithmetic mean as your base) c. Comment of your findings
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A study identified Bridgeport, Connecticut, San Jose, California, Washington, D.C., and Lexington Park, Maryland as the four U.S. cities with the highest percentage of millionaires. The following data show the following number of millionaires for samples of individuals from each of the four cities. Millionaire City Bridgeport, CT San Jose, CA Washington, D.C. Lexington Park, MD Yes 47 38 39 37 No 453 262 361 363 (1) What is the estimate of the percentage of millionaires in each of these cities? (Round your answers to two decimal places.) Bridgeport, CT ______ % San Jose, CA _______% Washington, D.C. _______% Lexington Park, __________MD % (2) Using a 0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. State the null and alternative hypotheses. A) H0: At least two of the population proportions are equal. Ha: None of the population proportions are equal. B) H0: Not all population proportions are equal.…
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What percentage of the elements in this sample belong to category N or D?

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