Study Guide Exam #1

# Study Guide Exam #1 - 2002 by The Arizona Board of Regents...

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Business Mathematics II STUDY GUIDE 1 The following questions explore parts of the material which will be covered on Test 1. Questions 1-11 refer to the following data. The manager of a small city has records of the numbers of injury automobile accidents in the town during the past few years. Year 1993 1994 1995 1996 1997 1998 1999 Number of Accidents 3,447 3,978 4,652 4,978 5,732 5,667 6,795 The manager used Excel to fit both logarithmic and exponential trend lines to the data. (In the logarithmic trend line, Ln(x) stands for the natural logarithm of x . This would be denoted by LN ( x ) in Excel .) 1. Use the formulas to create a single Excel plot showing both the logarithmic and exponential trend lines over the interval from 3 to 14 years after 1900. 2. Use Graphing.xls to plot (i) the logarithmic trend line and (ii) the exponential trend line over the interval from 3 to 14 years after 1900. (You will have two separate graphs.) 3. Use the logarithmic equation to predict the number of injury automobile accidents in 2002. 4. Use the exponential equation to predict the number of injury automobile accidents in 2002. 5. Use the logarithmic equation to estimate the number of injury automobile accidents in 1991. 6. Use the exponential equation to estimate the number of injury automobile accidents in 1991. 7. Are either or both of the estimates in Questions 5 and 6 reasonable? © 2002 by The Arizona Board of Regents

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## This note was uploaded on 04/02/2008 for the course ACCT 210 taught by Professor Blanchard during the Spring '08 term at University of Arizona- Tucson.

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Study Guide Exam #1 - 2002 by The Arizona Board of Regents...

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