What does false negative mean?

Definitions for false negative
false neg·a·tive

This dictionary definitions page includes all the possible meanings, example usage and translations of the word false negative.

Wiktionary

  1. false negativenoun

    A result of a test that shows as absent something that is present.

  2. false negativenoun

    type II error

Wikipedia

  1. false negative

    A false positive is an error in binary classification in which a test result incorrectly indicates the presence of a condition (such as a disease when the disease is not present), while a false negative is the opposite error, where the test result incorrectly indicates the absence of a condition when it is actually present. These are the two kinds of errors in a binary test, in contrast to the two kinds of correct result (a true positive and a true negative). They are also known in medicine as a false positive (or false negative) diagnosis, and in statistical classification as a false positive (or false negative) error.In statistical hypothesis testing, the analogous concepts are known as type I and type II errors, where a positive result corresponds to rejecting the null hypothesis, and a negative result corresponds to not rejecting the null hypothesis. The terms are often used interchangeably, but there are differences in detail and interpretation due to the differences between medical testing and statistical hypothesis testing.

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Numerology

  1. Chaldean Numerology

    The numerical value of false negative in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of false negative in Pythagorean Numerology is: 9

Examples of false negative in a Sentence

  1. Nancy Cappello:

    Of course you might be anxious. But I’d trade a false positive for a false negative any day.

  2. Rob Enderle:

    That way it reduces the chances of a false negative and it will be virtually impossible for even Apple to break into the phone.

  3. Paul Lee:

    One : those who' pass' may think that they are without evidence of eye disease though they may be' false negative' and might delay in seeking care with the development of symptoms, thinking that they had already had an eye exam, and, two, those under the care of an eye doctor may perceive a different situation than their doctor has described.

  4. Robyn Meurant:

    The big fear has been that the market gets flooded with tests of unknown quality, or unknown performance, and with Ebola you need to know what are the limitations. A false negative has enormous implications. So does a false positive, so this is not a perfect test but... for a rapid test, (it is) not too bad at all.

  5. Kim Jeong-ki:

    RT-PCR tests boast an accuracy of 95%. This means that there still can be 2-5% of those cases that are detected false negative or false positive cases.

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"false negative." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/false+negative>.

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