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Learning Math Home
Data Session 9: Notes
Session 9 Part A Part B Part C Part D Homework
Data Site Map
Session 9 Materials:

A B C 


Notes for Session 9

Note 1
This session considers the use of random sampling for estimating characteristics of an entire population. Random sampling leads to random variation in estimates, and this variation can be described by a probability distribution. The normal curve approximation, which some statistics learners may be familiar with, is described only briefly. A stem and leaf plot of typical results of independent sample estimates is used for the investigations, which removes a level of abstraction from the description of sampling concepts.

Part A Notes:

Random Samples

Part B Notes:

Selecting the Sample

Part C Notes:

Investigating Variation in Estimates


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