Lecture Illustration – Random Digits Table

Topics: Sample, Stratified sampling, Random sample Pages: 4 (637 words) Published: September 1, 2013
Lecture Illustration – Random Digits Table

Simple Random Sampling can be conducted by two methods:
i) Drawing from Hats
ii) Random Digits Table

Refer to your Random Digits Table in Appendix.

Illustration 1

Suppose we have a population of 30 students from Curtin University Foundation Program:

|Allen |Connie |Diaz |Howard |Law |Piper | |Andres |Cowel |Dunst |Jolie |Miller |Pitt | |Brandon |Craig |Evans |Kay |Moyles |Ross | |Brooks |Cyril |Hanks |Kathy |Murray |Smith | |Cole |Depp |Hilton |Lavigne |Nash |Spears |

We would like to select a sample of 5 students using Simple Random Sampling:

Using the 1st Method: Drawing from Hats –
Simply put all the students’ name into a hat, shuffle the hat properly and draw out 5 names on a random basis.

Using the 2nd Method: Random Digits Table: -

1st Step: Label the population with numbers from 01 to 30.

2nd Step: Determine the number of digits to be used.
Since the population is 30. We will use 2 digits.

3rd Step: E.g. Start at Line 108 (It can be any lines. This will be mentioned in the question)

|Line |
|108 |60940 |72024 |17868 |24943 |61791 |90656 |87964 |18883 | |101 |19223 |95034 |05756 |28713 |96409 |12531 |42544 |82853 | |102 |73676 |47150 |99400 |01927 |27754 |42648 |82425 |36290 | |103 |45467 |71709 |77558 |00095 |32863...
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