# stat 410 - Statistics 440 Lab Exercises 4 Before you begin...

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Statistics 440: Lab Exercises 4 1 Before you begin: Login to Illinois Compass and download all of the data files ( states.dat , aromas.dat , aromasf.dat ) from the Data\Lab 4 folder and save them in ‘ D: \ netid (or folder of your choice). Exercise 1: Reading Nonstandard Data The STATES raw data file contains information on state size, population, and date of statehood. The order and layout of the fields are as follows: Order Field Notes 1 State Name Longest value is 16 characters 2 State Population Written in COMMA9. 3 State Size Square miles (numeric field) 4 Date of Statehood Written in DATE9. Sample Records Alabama! 4,447,100! 50750! 14DEC1819 Alaska! 626,932! 570374! 03JAN1959 Arizona! 5,130,632! 113642! 14FEB1912 Arkansas! 2,673,400! 52075! 15JUN1836 California! 33,871,648! 155973! 09SEP1850 Colorado! 4,301,261! 103729! 01AUG1876 Connecticut! 3,405,565! 4845! 09JAN1788 Use the STATES raw data file to create the work.states data set listed below. Partial Listing of work.states Enter Obs State Population Size Date 1 Alabama 4447100 50750 -51152 2 Alaska 626932 570374 -363 3 Arizona 5130632 113642 -17488 4 Arkansas 2673400 52075 -45124 5 California 33871648 155973 -39925 6 Colorado 4301261 103729 -30467 7 Connecticut 3405565 4845 -62813 8

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