Stratified Sampling: Proportional vs Equal Allocation
This lesson is part of the course
In this lesson
You split 1,200 interviews over four districts in two ways and compare the district margins with the margin for the whole city.
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Lessons in this course
- Margin of Error for a Poll Share (95 %, NORM.S.INV) Locked
- Sample Size for a Target Margin of Error Locked
- Small Electorates: the Finite Population Correction Locked
- Stratified Sampling: Proportional vs Equal Allocation Locked
- Post-Stratification Weighting by Age and Region Locked
- Design Effect and Effective Sample Size (Kish) Locked
- Poll Averages: Weighting by Sample Size and Recency Locked
- Lead vs Margin of Error: the Difference of Two Shares in One Poll Locked