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Identifying Statistically Significant Differences: The F-Test

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The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...

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Measurement: Derived Units

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A Microphysiological System to Study Leukocyte-Endothelial Cell Interaction during Inflammation

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Procalcitonin to Identify Neoplastic Inflammation

Anne N Fenton^1,2, Paige K Kretschmar^1,2, Russel W Steele^1,2,3

¹1 Tulane University, New Orleans, LA, USA.

Clinical Pediatrics

|April 18, 2019

Summary

No abstract available in PubMed .

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