PFAAssignment task 1: Selecting your Random Sample and Creating your Sample Data File..

Assignment task 1: Selecting your Random Sample and Creating your Sample Data File
In order to select the sample data that will form the basis of your assignment you will need to make use of
the random number table provided with this assignment. The provided table of random numbers is, as the
title suggests, a sequence of randomly generated numerical digits (0 to 9). These digits are arranged in a
table with one hundred rows numbered 01 to 00 and twenty columns spread over two pages. The entries
in each column of each row consist of five single digits.
The property data from which you will select your sample data consists of 400 IDs each with an identifying
property number (PN) ranging from 1 (or 001) to 400.
Your first task is to select 50 three digit random (property) numbers ranging from 001 to 400 from the
provided table of random numbers. We will ask you to select 50 numbers, to begin with, just to cover the
distinct possibility that you may select the same three digit number more than once. The type of simple
random sampling that we will be engaged in here is termed “without replacement” because we specifically
do not want to allow a property identification number to be selected more than once.
In order to select your 50 random property identification numbers you will need to first go to a starting
position row and column in the random number table. Defined by the last three digits of your Torrens
University student identification number. The last two digits of your Torrens ID number identifies the row
and the third last digit identifies the column of your (relatively) “unique” starting position.
For the demonstration last three digits of 312, reading across row 12 from left to right starting at column 3
as instructed, you would encounter the following three digit numbers;

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