WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws...

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Transcript of WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws...

Page 1: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 2: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 3: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 4: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter

The meaning of 95% confidence...0.2 0.25 0.30.150.10.05 0.35

Page 5: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 6: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 7: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 8: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 9: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 10: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 11: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 12: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter

When we’re solving for sample size, we ALWAYS round up. Because in that worst case scenario, 600 wouldn’t be quite enough.

Page 13: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter
Page 14: WordPress.com · We know that between 40% and 48% of all U.S. adults are in favor of stricter laws governing the sale of firearms. 95% of all U.S. adults are in favor of stricter

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