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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 Japanese Ford Chrysler Other 390 241 192 81 96 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 2 (b) Determine whether the current market shares differ from those of 1990. Use a .05. (Round your answer to 3 decimal places.) x^2 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, 34%, 27%, 18%, 13 %, and 8%. Suppose that a new survey of 1,000 new-car buyers shows the following purchase frequencies: GM Japanese Ford Chrysler Other 390 241 192 81 96 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 2 (b) Determine whether the current market shares differ from those of 1990. Use a .05. (Round your answer to 3 decimal places.) x^2 HO. Conclude current market shares from those of 1990.

MATLAB: An Introduction with Applications
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 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 Japanese Ford Chrysler Other 390 241 192 81 96 picture Click here for the Excel Data File (a) Show that it is appropriate to carry out a chi-square test using these data. es Each 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^2 HO. Conclude current market shares from those of 1990.
Transcribed Image Text: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 Japanese Ford Chrysler Other 390 241 192 81 96 picture Click here for the Excel Data File (a) Show that it is appropriate to carry out a chi-square test using these data. es Each 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^2 HO. Conclude current market shares from those of 1990.
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