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Learning Math Home
Patterns, Functions, and Algebra
 
Session 9 Part A Part B Part C Part D Homework
 
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Session 9 Materials:
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Data Session 9: Random Sampling and Estimation
 

In this session, you will learn how to use results from a random sample to estimate characteristics of an entire population. To predict the accuracy of your estimates, you will investigate the variation in estimates based on repeated random samples from that population. Note 1

In This Session:

Part A:

Random Samples

Part B:

Selecting the Sample

Part C:

Investigating Variation in Estimates

Part D:

The Effect of Sample Size

Homework

 


 
Learning Objectives

In this session, you will estimate population quantities from a random sample. You will learn how to do the following:

• 

Define an estimate based on sample data

• 

Select a random sample

• 

Describe sample-to-sample variation

• 

Predict the accuracy of an estimate

• 

Assess the effect of sample size on the accuracy of an estimate


video icon

Throughout the session you will be prompted to view short video segments. In addition to these excerpts, you may choose to watch the full-length video of this session.

Keyterms

Previously Introduced:

New in This Session:

 

box plot
distribution
interval
population
random assignment
sample
stem and leaf plot

sample mean
sample size
sampling with replacement
sampling without replacement

Next > Part A: Random Samples

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