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ຜົນການຄົ້ນຫາຈະຖືກອັບເດດເມື່ອທ່ານພິມມັນຂຶ້ນມາ & # 160; ។

ກ່ຽວກັບເຄື່ອງຄິດໄລ່ນີ້

standard deviation is the average of the squared deviations from the mean and is the square of the standard deviation. This calculator gives the sample variance (sum of squared deviations divided by n − 1) or the population variance (divided by n), along with the standard deviation, mean, range and sum of squared deviations. Variance is expressed in squared units, which is why it is usually easier to interpret. Variance is always non-negative and gives extra weight to values that lie far from the mean. The standard deviation is the average of the squared deviations from the mean and is the square of the standard deviation. This calculator gives the sample variance (sum of squared deviations divided by n − 1) or the population variance (divided by n), along with the standard deviation, mean, range and sum of squared deviations. This calculator gives the average of the squared deviations from the mean and is the square of the standard deviation.To find it, take the mean, subtract it from every value, square each of those deviations, add them together and divide by n − 1 forasmall sample or by n forafull population.To find it, take the mean, subtract it from every value, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those deviations, square each of those devi

ຄໍາຖາມທີ່ຖາມເລື້ອຍໆ

ວິທີການທີ່ຄວາມແຕກຕ່າງແມ່ນກ່ຽວຂ້ອງກັບການຫຼອກລວງມາດຕະຖານ?

ຕົວເລກທີ່ໄດ້ຮັບຈາກການວັດແທກນີ້ ສະແດງໃຫ້ເຫັນຄວາມແຕກຕ່າງລະຫວ່າງຕົວເລກທີ່ໄດ້ຮັບຈາກການວັດແທກກ່ອນໜ້າ ແລະ ຕົວເລກທີ່ໄດ້ຮັບຈາກການວັດແທກຫຼັງຈາກການວັດແທກກ່ອນໜ້າ.

ເວລາໃດທີ່ຂ້ອຍຄວນໃຊ້ n versus n - 1?

ແບ່ງດ້ວຍ n - 1 ເມື່ອຂໍ້ມູນຂອງທ່ານເປັນຕົວຢ່າງທີ່ໃຊ້ເພື່ອຄາດຄະເນປະຊາກອນທີ່ໃຫຍ່ກວ່າ; ແບ່ງດ້ວຍ n ເມື່ອຂໍ້ມູນຂອງທ່ານເປັນຕົວແທນຂອງປະຊາກອນທັງໝົດທີ່ທ່ານສົນໃຈ

ເຮັດຫຍັງການປ່ຽນແປງຈຶ່ງເປັນຕົວເລກສີ່ຫຼ່ຽມ?

ເນື່ອງຈາກວ່າຄວາມແຕກຕ່າງແຕ່ລະອັນແມ່ນ squared ກ່ອນທີ່ຈະ averageing, ຜົນໄດ້ຮັບແມ່ນມີ square ຂອງຕົວອັກສອນຕົ້ນຕໍ - squared ໂດລາ, squared ຊັງຕີແມັດແລະອື່ນໆ. ນັ້ນເຮັດໃຫ້ຄວາມແຕກຕ່າງທີ່ຫນ້າຢ້ານທີ່ຈະອະທິບາຍໂດຍກົງ, ນັ້ນແມ່ນເຫດຜົນທີ່ square root ຂອງ, ມາດຕະຖານການ deviate, ແມ່ນລາຍງານຂ້າງລຸ່ມນີ້ມັນ.

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ບໍ່. ມັນແມ່ນປະລິມານສະເລ່ຍຂອງຕົວເລກສີ່ຫຼ່ຽມ, ສະນັ້ນມັນຈະເປັນສະເໝີ 0 ຫຼື ດີ. ຄ່າແຕກຕ່າງຂອງສະເລ່ຍແມ່ນ 0, ຫມາຍຄວາມວ່າ ຄ່າທັງໝົດໃນກຸ່ມແມ່ນຄືກັນ.

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API — ໃຊ້ເຄື່ອງຄິດໄລ່ນີ້ຈາກໂປຣແກຣມ

ໂທເຄື່ອງຄິດໄລ່ນີ້ເປັນຈຸດຈົບ JSON ຟຣີ - ບໍ່ຕ້ອງການກູໂກ. ສົ່ງຄ່າພື້ນທີ່ຂ້າງລຸ່ມນີ້ເປັນປາຣມາຕິກຄໍາຖາມ ຫຼື JSON. ອ່ານເອກະສານ API ເຕັມ →

ຈຸດສຸດທ້າຍ

GET https://calculator.free/api/v1/variance/

curl

curl "https://calculator.free/api/v1/variance/?numbers=12, 15, 17, 20, 22, 25&type=sample"

JavaScript `fetch()`

const r = await fetch(
  "https://calculator.free/api/v1/variance/?" + new URLSearchParams({
    "numbers": "12, 15, 17, 20, 22, 25",
    "type": "sample"
  }));
const data = await r.json();
console.log(data.results);

ຜົນໄດ້ຮັບແມ່ນຄາດຄະເນສໍາລັບຄໍາແນະນໍາທົ່ວໄປເທົ່ານັ້ນ, ບໍ່ການເງິນ, ຄໍາແນະນໍາທາງການແພດຫຼືພາສີ.

ກ່ຽວ​ກັບ​ເຄື່ອງ​ຄິດໄລ່​ນີ້

ຄໍາຖາມທີ່ຖາມເລື້ອຍໆ

ຕົວຄິດໄລ່​ທີ່​ກ່ຽວຂ້ອງ

ຈຸດ​ສຸດ​ທ້າຍ

curl

JavaScript fetch()

ກ່ຽວກັບເຄື່ອງຄິດໄລ່ນີ້

ຕົວຄິດໄລ່ທີ່ກ່ຽວຂ້ອງ

ຈຸດສຸດທ້າຍ

JavaScript `fetch()`