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2. Software development effort estimation - Wikipedia

   en.wikipedia.org/wiki/Software_development...

   In software development, effort estimation is the process of predicting the most realistic amount of effort (expressed in terms of person-hours or money) required to develop or maintain software based on incomplete, uncertain and noisy input. Effort estimates may be used as input to project plans, iteration plans, budgets, investment analyses ...

3. Ninety–ninety rule - Wikipedia

   en.wikipedia.org/wiki/Ninety–ninety_rule

   In computer programming and software engineering, the ninety-ninety rule is a humorous aphorism that states: The first 90 percent of the code accounts for the first 90 percent of the development time. The remaining 10 percent of the code accounts for the other 90 percent of the development time. [1] [2] This adds up to 180%, making a wry ...

4. Design effect - Wikipedia

   en.wikipedia.org/wiki/Design_effect

   Introduction. In survey methodology, the design effect (generally denoted as , , or ) is a measure of the expected impact of a sampling design on the variance of an estimator for some parameter of a population. It is calculated as the ratio of the variance of an estimator based on a sample from an (often) complex sampling design, to the ...

5. Confidence interval - Wikipedia

   en.wikipedia.org/wiki/Confidence_interval

   A confidence interval for the parameter , with confidence level or coefficient , is an interval determined by random variables and with the property: The number , whose typical value is close to but not greater than 1, is sometimes given in the form (or as a percentage ), where is a small positive number, often 0.05.

6. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

7. Display resolution standards - Wikipedia

   en.wikipedia.org/wiki/Display_resolution_standards

   1920 × 1080 (FHD) FHD ( Full HD) is the resolution 1920 × 1080 used by the 1080p and 1080i HDTV video formats. It has a 16:9 aspect ratio and 2,073,600 total pixels, i.e. very close to 2 megapixels, and is exactly 50% larger than 720p HD ( 1280 × 720) in each dimension for a total of 2.25 times as many pixels.