Kikokotoo cha asilimia ya kosa
Asilimia ya kosa kati ya thamani iliyopimwa na thamani halisi, pamoja na kosa kamili na tofauti ya asilimia.
Kuhusu Kikokotoo cha asilimia ya kosa
Asilimia ya kosa kati ya thamani iliyopimwa na thamani halisi, pamoja na kosa kamili na tofauti ya asilimia.
Sehemu ya kitengo cha “Hisabati” cha SmartCalcy. Kinaendeshwa kwenye kivinjari chako bila akaunti, kinatumia sarafu na vipimo vyako (vibadilishe juu ya ukurasa), na kinatoa makadirio kwa taarifa tu, kwa hiyo angalia mwongozo rasmi kabla ya kutegemea matokeo.
Jinsi ya kutumia Kikokotoo cha asilimia ya kosa
Kinachohesabu na wakati wa kukitumia
Kinalinganisha thamani iliyopimwa au iliyokadiriwa na thamani halisi au inayokubalika na kueleza pengo kama asilimia. Hutumika katika maabara za sayansi, ukaguzi wa uhandisi na utabiri.
Jinsi ya kukitumia, hatua kwa hatua
- Weka thamani uliyopima.
- Weka thamani halisi au inayokubalika.
- Soma kosa la asilimia, kosa kamili na kosa lenye ishara.
Maana ya kila ingizo
- Measured Thamani – The experimental, observed au estimated Matokeo.
- True Thamani – The theoretical au accepted Thamani. It cannot be zero.
Jinsi ya kusoma matokeo
- Asilimia Kosa – The size of the error as a percentage of the true value.
- Signed Kosa – Positive if you measured too high, negative if too low.
- Asilimia difference – Compares two values with neither one treated as correct.
Fomula
Percent error = |measured − true| ÷ |true| × 100. Percent difference = |a − b| ÷ ((|a| + |b|) ÷ 2) × 100.
Mfano uliofanyiwa kazi
A student measures gravitational acceleration as 9.6 m/s² when the accepted value is 9.81. The absolute error is 0.21, so the percent error is 0.21 ÷ 9.81 × 100 = 2.141%, and the signed error is −2.141% because the measurement is low.
Dhana na mipaka
- The true value ni known na non-zero.
- Vipande must match.
Makosa ya kawaida
- Dividing by the measured Thamani instead ya the true Thamani.
- Using Asilimia Kosa when there ni no accepted Thamani.
Maswali yanayoulizwa mara kwa mara
Je, kosa la asilimia linaweza kuwa hasi?
Ufafanuzi wa kawaida hutumia thamani kamili, kwa hivyo ni chanya. Kosa lenye ishara linaonyesha mwelekeo.
Itakuwaje ikiwa thamani halisi ni sifuri?
Kosa la asilimia halijafafanuliwa. Tumia kosa kamili badala yake.
Zana zinazohusiana
Maelezo
- Absolute Kosa
- 0.21
- Signed Kosa
- -2.141%measured Thamani ni below the true Thamani
- Asilimia difference
- 2.164%relative hadi the average ya the two Thamani