UT ECO 329 - STAT S2017 MT#1 q BLUE (6 pages)

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STAT S2017 MT#1 q BLUE



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STAT S2017 MT#1 q BLUE

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Pages:
6
School:
University of Texas at Austin
Course:
Eco 329 - Economic Statistics

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NAME EID Dr Valerie R Bencivenga Economics 329 Feb 16 2017 You must return the exam questions along with your blue exam book or you will get a zero on the exam Only your blue exam book will be graded MIDTERM EXAM 1 Instructions Answer the questions below in a blue exam book There are 9 questions worth 220 points This is a closed book exam You may use a calculator no device with wireless The formula sheet is at the end Show your work to receive credit The exam will last two hours Good luck 20 points 1 Starting with a variable X create the linear transformation Y a bX Assume X 0 and b 0 For each of the graphs below say what you can infer about b 0 b 1 b 1 b 1 Also say what you can infer about a a 0 a 0 a 0 a could be negative zero or positive No explanations are needed Part a Part b Part c Part d 1 35 points 2 In this question you do NOT need to evaluate your numerical answers Full credit will be given for the correct expression that you WOULD evaluate A large water park hires you to forecast the number of customers each month for the next calendar year In Eco 341K you ll learn how to forecast Here we ll discuss the data set You decide to work with the following variables For each variable you have many years of monthly data A attendance at the water park number of customers P price of admission to the water park in 2015 dollars R number of water rides at the park on the first day of the month W number of days during the month when it rained during business hours T average daily high temperature G price per gallon of gasoline in 2015 dollars N surrounding population population within 100 miles of the park C 1 if the economy is in a contraction recession 0 if not S 1 if the month is a summer month 0 if not sample means sample variances and standard deviations sample covariance A 18 000 s2A 9 000 000 s A 3 000 sAN 48 000 000 N 2 000 000 2 sN 400 000 000 sN 20 000 a Say whether each of the nine variables in the data set is continuous approximately continuous or discrete



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