Sample Size Illustrations, Confidence Intervals, & Margins of Error: Jeffreys Method Tables for Attorneys & Experts: 85 Percent Confidence Level
SKU: 5045264373

Sample Size Illustrations, Confidence Intervals, & Margins of Error: Jeffreys Method Tables for Attorneys & Experts: 85 Percent Confidence Level

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Sample Size Illustrations, Confidence Intervals, & Margins of Error: Jeffreys Method Tables for Attorneys & Experts: 85 Percent Confidence LevelThis volume will assist both non statisticians and statisticians in determining an appropriate sample size to be taken and the confidence intervals and margins of error for samples that have already been taken using the Jeffreys method at the 85 percent confidence level. This volume is designed to help with a specific kind of sample, one in which each member can be assigned into one of two groups (defective or not, good or bad, working or unemployed,

This volume will assist both non-statisticians and statisticians in determining an appropriate sample size to be taken and the confidence intervals and margins of error for samples that have already been taken using the Jeffreys method at the 85 percent confidence level. This volume is designed to help with a specific kind of sample, one in which each member can be assigned into one of two groups (defective or not, good or bad, working or unemployed, married or single, yes or no, liked or disliked, etc.)
Sample sizes in this book range from one to 4,500 for determining sample size illustrations and one to 250 for determining confidence intervals and margins of error.
Tables for 80, 90, 95 and 99 percent confidence levels can be purchased as separate volumes from Walnut Oak Press.

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SKU: 5045264373

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Erin
Lowell, US
★★★★★ 5
It's so good
Format: Hardcover
This book was amazing! The readability was great and I cannot wait to get the others
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Reviewed in the United States on April 11, 2026
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Kaitlin Stuart
Port Orchard, US
★★★★★ 4
For the nerds
Format: Hardcover
As a huge gravity falls fan I can say this book does not disappoint. It’s very well detailed and fits exactly like the show. I just wish it was black light activated like in the show
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Reviewed in the United States on January 15, 2026
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Ava Emery
Cuba, US
★★★★★ 5
Amazing book!
Format: Hardcover
Absolutely love this book! It's a must have for any big gravity falls fan! You get so much extra lore that isnt in the show itself and a lot more insight into Ford as a character! Book also came in perfect condition.
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Reviewed in the United States on February 25, 2026
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Benjamin
New York, US
★★★★★ 5
Accurate
Color: Stainless Steel, Size: Medium Size
Just place it on the counter, press the power button, and you’re ready to weigh ingredients instantly. The digital display is clear and easy to read, and switching between grams and ounces is fast and intuitive which makes it great whether I’m following recipes or tracking portions for meal planning. The weighing platform is spacious enough to fit bowls, plates, or containers and the scale is impressively accurate even with small amounts like spices or coffee grounds. I’ve used it for baking precise measurements, prepping meal portions for a keto plan, and tracking food for weight‑loss goals, and it performs consistently every time. It also has useful features like a tare function which lets you subtract the weight of your container so you only measure what matters. The scale feels sturdy and well‑made yet still lightweight and easy to store when not in use. Overall this Etekcity food scale is a fantastic value and a must‑have for anyone serious about cooking, baking, or healthy living. I’ll definitely be using it for years and would buy it again without hesitation.
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Reviewed in the United States on March 3, 2026
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Brittany H.
Massapequa, US
★★★★★ 5
Great Kitchen Purchase
Color: Stainless Steel, Size: Medium Size, Color: Stainless Steel, Size: Medium Size
I didn’t realize how much I needed a kitchen scale until I got this. It’s really accurate and makes cooking (especially baking) so much easier and more consistent. The tare function is a game changer—you can zero out the bowl and keep adding ingredients without extra measuring cups. It’s also easy to switch between grams and ounces, which is great for following different recipes. Most digital scales measure very precisely, often down to about 1 gram, which makes a big difference for accuracy. It’s compact, easy to clean, and doesn’t take up much space on the counter. Overall, such a simple tool but makes a big difference—definitely worth having in any kitchen.
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Reviewed in the United States on April 8, 2026

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