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ຄິດໄລ່ standard deviation, variance, ແລະ ກ່ຽວຂ້ອງ statistics ສຳລັບ dataset. Supports both sample ແລະ population calculations.
ໃສ່ຄ່າທີ່ຕ້ອງການສຳລັບການຄິດໄລ່
ເບິ່ງຜົນໄດ້ຮັບການຄິດໄລ່ຂອງທ່ານ
Standard deviation measures ຈຳນວນ ຂອງ variation ຫຼື dispersion ໃນ dataset. low standard deviation indicates ມູນຄ່າ are close ເຖິງ mean, ໃນຂະນະທີ່ high standard deviation indicates ມູນຄ່າ are spread out. ມັນ ແມ່ນ widely ໃຊ້ ໃນ finance ເຖິງ ວັດ volatility, ໃນ manufacturing ສຳລັບ quality control, ແລະ ໃນ research ເຖິງ ວັດ data reliability. Sample standard deviation (n-1) ໃຫ້ unbiased ປະເມີນ ສຳລັບ population data.
ໃສ່ ຂອງທ່ານ dataset ມູນຄ່າ sepaອັດຕາd ໂດຍ commas, spaces, ຫຼື new lines. ເລືອກ whether ຂອງທ່ານ data ເປັນຕົວແທນ sample (ໃຊ້ n-1) ຫຼື entire population (ໃຊ້ N). ເຄື່ອງຄິດໄລ່ computes standard deviation, variance, mean, median, ຊ່ວງ, coefficient ຂອງ variation, ແລະ other statistical measures.
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