The shares of the U.S. automobile market held in 1990 by General Motors, Japanese manufacturers, Ford, Chrysler, and othermanufacturers were, respectively, 34%, 27%, 18%, 13%, and 8%. Suppose that a new survey of 1,000 new-car buyers shows thefollowing purchase frequencies:GM Japanese Ford Chrysler Other3902411928196picture Click here for the Excel Data File(a) Show that it is appropriate to carry out a chi-square test using these data.esEach expected value is 2(b) Determine whether the current market shares differ from those of 1990. Use a .05. (Round your answer to 3 decimal places.)x^2HO. Conclude current market sharesfrom those of 1990.

A survey of new buyers shows the following purchase frequency.GMJapeneseFordChryslerOtherObserved…

Answered: The shares of the U.S. automobile…

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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3. The number of tie-breaking votes cast by each of the 21 vice presidents of the United States who served during the twentieth century are shown. Draw a histogram for this data: 0, 0, 4, 10, 0, 2, 3, 3, 4, 1, 7, 8, 0, 4, 2, 0, 0, 1, 7, 0, 4 esc FI F2 ㅁㅁ F3 F4 F5 MacBook Air F6 F7 * F8 F9 F10 F11 + 1/ F12
Ex. 1 A survey of 80 r/s California State University students indicates that 52 of them work. An independent survey of 40 University of California students indicates that 20 of them work. Construct a 95% c.i. for the difference between the overall percent of CSU students who work and the UC percent.
The table shows a portion of the data for a sample of 51 private colleges and universities. The data include the name of the college or university, the year the institution was founded, the tuition and fees (not including room and board) for the most recent academic year, and the percentage of full-time, first-time bachelor’s degree-seeking undergraduate students who obtain their degree in 6 years or less (The World Almanac). A. Prepare a scatter diagram to show the relationship between Tuition & Fees (in USD 1000s , on the horizontal axis) and % Graduate (on the vertical axis). Choose the correct diagram. School Year Founded Tuition & Fees % Graduate School Year Founded Tuition & Fees % Graduate American University 1893 $36,697 79.00 Northwestern University 1851 $40,224 93.00 Baylor University 1845 $29,754 70.00 Oral Roberts University 1963 $20,044 53.00 Boston College 1863 $40,542 91.00 Providence College 1917 $39,435 88.00 Brown University 1764 $42,230…
The shares of the U.S. automobile market held in 1990 by General Motors, Japanese manufacturers, Ford, Chrysler, and other manufacturers were, respectively, 34%, 27%, 18%, 13%, and 8%. Suppose that a new survey of 1,000 new-car buyers shows the following purchase frequencies: GM 390 Japanese Ford Chrysler 192 241 81 picture Click here for the Excel Data File (a) Show that it is appropriate to carry out a chi-square test using these data. Each expected value is x^2 Other 96 (b) Determine whether the current market shares differ from those of 1990. Use a = .05. (Round your answer to 3 decimal places.) Do not reject Reject HO. Conclude current market shares from those of 1990.
The shares of the U.S. automobile market held in 1990 by General Motors, Japanese manufacturers, Ford, Chrysler, and other manufacturers were, respectively, 36%, 26%, 21%, 9%, and 8%. Suppose that a new survey of 1,000 new-car buyers shows the following purchase frequencies: GM Japanese Ford Chrysler Other 193 384 170 90 163 Click here for the Excel Data File (a) Show that it is appropriate to carry out a chi-square test using these data. (b) Determine whether the current market shares differ from those of 1990. Use α = .05. (Round your answer to 3 decimal places.)
3. The Save More Rental Car Agency at the Cincinnati airport would like to examine records from last summer in order to plan for the coming summer demand. The data for last year's demand, broken down by type of vehicle requested, is shown in the table below. Vehicle Type Sub-compact Compact Full-size Frequency 545 892 740 360 280 168 2985 * Total is not equal to 1.000 due to rounding error. Relative Frequency 0.183 0.299 0.248 Luxury SUV Van Total 0.121 0.094 0.056 1.001* a) Construct a frequency and relative frequency bar chart for the data. b) Construct a pie chart to display the information. c) This summer's demand is expected to be 20% higher than demand for last summer. Approximately how many luxury cars are expected to be rented this summer?
The following data represent the smoking status by level of education for residents 18 years old or older living in a certain country from a random sample of 999 residents. Complete parts (a) and (b).
18. FILE DOW. The accompanying table shows a portion of the 30 companies that comprise the Dow Jones Industrial Average (DJIA). For each company, the data set lists the year that it joined the DJIA, its industry, and its stock price (in $) as of February 15, 2019. Company 3M (MMM) American Express (AXP) : Year 1976 1982 ⠀ 2018 Industry Health Care Finance ⠀ Health Care Price 208.9 107.4 ⠀ 73.43 Walgreen (WBA) a. What is the measurement scale of the Industry variable? b. What is the measurement scale of the Year variable? What are the strengths of this type of measurement scale? What are its weaknesses? c. What is the measurement scale of the Price variable? What are the strengths of this type of measurement scale?
House prices: The following table presents prices, in thousands of dollars, of single-family homes for 20 of the 25 largest metropolitan areas in the United States for the third quarter of 2012 and the third quarter of 2013 (information for Detroit was unavailable), Metro Area 2012 2013 Metro Area 2012 2013 Atlanta, GA 878 115.1 Philadelphia, PA 193.5 197 7 Baltimore, MD 218.1 226.5 Phoenix, AZ 129,9 169.0 Boston, MA 311.5 332.2 Portland, OR 208.6 246.5 Chicago, IL 157.2 159.4 Riverside, CA 174.3 216.7 Cincinnati, OH 112.5 121.0 St. Louis, MO 103.7 111.0 Houston, TX 152.1 163.7 San Diego, CA 359.5 412.3 Los Angeles, CA 122.1 155.1 San Francisco, CA 448.0 593.9 Miami, FL 182.0 219.9 Seattle, WA 265.4 312.6 Minneapolis, MN 147.3 170.6 Tampa, FL 131.9 141.8 New York, NY 363.8 368.2 Washington, DC 311.6 348.7 Source: National Realtors Association Send data to Excel (a) Find the mean and median price for 2012. Round the answers to at least two decimal places. (b) Find the mean and median…
The table shows the price and number of pieces sold for a total of three products. Use the Laspeyres composite index to find out how the number of pieces sold before Christmas has changed compared to November. number of pieces price product NovemberDecemberNovemberDecember 1 98 112 105 125 2 131 275 159 100 3 95 114 110 100 а. 1,27 b. 1,64 с. 1,52 d. 0,84 Zrušit mou volbu
1. There is a group of data as follows: 83 75 66 26 37 87 24 77 90 84 34 22 31 68 92 46 81 41 Question: a. Calculate what the value of the location data is, where 37% of the data is below it. b. Calculate the value of the location data, where 25% of the data is above it.
The female life expectancy and the male life expectancy (in years) for 30 industrial countries were recorded. The data are shown in the back-to-back stemplot below. Female Life Expectancy Male Life Expectancy 68 69 69 70 18 71 72 9 8 73 0 74 9 75 12 5 68 9 76 2 2 7 789 99 77 1 2 4 5 6 7 78 0 4 5 6 7 4 1 79 2 4 2 80 988 7 7 6 6 4 1 81 8 7 5 3 3 2 82 998 32 183 84 5 85 6816 represents 68.6 years Based on the stemplot, which of the following statements is true? (A) The median life expectancy and the range of life expectancies are both less for females than for males in these countries. (B) The median life expectancy and the range of life expectancies are both greater for females than for males in these countries. (C) The median life expectancy is the same for females and males in these countries, and the range of life expectancies is the same for females and for males in these countries. (D) The median life expectancy is less for females than for males in these countries, and the range of…

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