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# Lab3 - The Hong Kong University of Science Technology ISMT...

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The Hong Kong University of Science & Technology ISMT 111: Business Statistics , Fall Computer Lab 3 In this lab we will learn how to use Minitab to do regression. Exercise 1 The file mazda1.mtw contains a Minitab worksheet with data on the year of manufacture and the retail price of 124 Mazda cars. The two variables in the worksheet are the year of manufacture and the natural log of the price in AUD obtained when the cars were sold in 1992. 1. Read the worksheet into Minitab: File > Open Worksheet . Fill in ‘MAZDA1.MTW’ in the dialog box ‘File Name’. 2. Calculate the age of the car: Calc > Calculator . Store the result in C3 and put ’92-year’ in the dialog box ’Expression’. Label column C3 by ’age’. 3. Produce the scatterplot ’log(price)’ versus ’age’: Graph > Plot . Put ’log(price)’ in Y and ’age’ in X. An approximate linear relationship between ’log(price)’ and ’age’ should be observed.

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Lab3 - The Hong Kong University of Science Technology ISMT...

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