Comparing Two Segments: Difference in Proportions & z-Test
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Lessons in this course
- Response Rate & Sample QualityFree
- Likert Scales: Distribution, Top-2-Box & Mean Score Pro
- Net Promoter Score: Promoters, Passives & Detractors Pro
- Cross-Tabs by Segment: COUNTIFS & Row Percentages Pro
- Weighting Responses to Match the Population Pro
- Margin of Error, Small Populations & Sample Size Pro
- Comparing Two Segments: Difference in Proportions & z-Test Pro
- Chi-Square Test of Independence & Coding Open Answers Pro