Lecture notes
probability sampling techniques
This document is regarding Probability sampling techniques, such as simple random sampling, systematic sampling, stratified sampling, and clustered sampling. and Also regarding illustrations.
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
Seller
Follow
Content preview
Probability sampling techniquesThese sampling techniques are used when the researcher wants to make inferences about
the population. The sample is selected based on known probability.
Simple random sampling
Sample is selected from population and has equal chance of being selected as a sample.
The sample is taken randomly from a sampling frame. Some common sampling frames
include the telephone directory, customer list and student list.
Steps:
1. Researcher needs a sampling frame.
Example: List of student’s name
2. Generated random number to determine which elements are to be selected as a
sample.
Use a : 1) Random numbers table
2) Computer random number generator
Steps: Type =RANDBETWEEN(1,15) in excel
It will generated random number between 1 to 15
Drag the column until you get your desire random numbers
3) Calculator
Steps: Press SHIFT Ran# =
1
, 3. Let’s try using random numbers table, researcher needs 5 samples out of 15
students. By using the first two column numbers, list down your 5 selected samples.
TABLE OF RANDOM DIGITS
940 100 857 728
741 056 001 147
628 324 599 339
117 646 871 664
149 065 358 013
660 871 033 002
083 500 358 283
900 861 400 395
088 958 732 107
309 035 287 166
Answer:
11, 14, 8, 10, 5
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller maximmathew. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.98. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53068 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now