Sequence: How Good Are Sample Statistics

Sequence Information
Sequence: How Good Are Sample Statistics
Description:
Keywords:Statistics, Inference, Sample Size

Subject:Introductory Statistics

Audience:Students taking Introductory Statistics

Run time:45 - 60mins

Delivery Mode:Guided by lect/teacher

Resources: I use the statistical software, StatGraphics Centurion, to simulate drawing random samples and compute statistics. I attach an Excel workbook that simulate the same thing if you do not have the software.

1) HowGood.xlsx Simulate drawing of random samples.

2) MyResults.docx to record sample statistics.

3) PopulationWt-100000.sf6 StatGraphics data file.

->> Resources needed HowGood.zip (http://lamscommunity.org/dotlrn/file-storage/view/dotlrn_fs_1098396_root_folder/dotlrn_fs_1098396_shared_folder/HowGood.zip)

Outline of Activities: This activity let you experience how good sample statistics can be as estimates of the population parameters. Do we really have to study the entire population to find the TRUE value of the parameter? Are sample statistics good enough as estimates of the population parameters? How sample sizes affect these estimates? You will experience and get the answers to all these questions.

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Language: English
LAMS Version: 2.3.4.
License: Attribution-Noncommercial-ShareAlike
Support Files: No files
Sharing with: Everyone in Public
Status: Active
Average Rating: 4.0 stars (4). Based on 1 reviews.
Number of downloads: 14 times
Number of previews: 11 times
Authored By:   Nai Shin Lai
Date: 17 March 2011 02:14 AM
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