🔍 牛津詞典
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典 🎯
檢索以下詞典：
(Mr. Ng 不推薦使用 Google 翻譯！)
最近搜尋：
- living wage 56
- dbs 46
- tanner 216
- Zambia 53
- troupe 186
- copping 47
- profligate 121
- get down to something 35
- apprizer 42
- Dither 155
- annulment 116
- shutout 149
- vest 540
- date-stamp 43
- mender 49
- genitals 84
- nightly 82
- phys ed 80
- elbow grease 89
- moola 57
- phantasma 27
- leeward 60
- count 681
- unemployment 204
- leaguing 28
- mosquito 477
- Goody Two-shoes 78
- decomposer 70
- extraordinary 561
- jewelling 31
- tatty 86
- markswoman 55
- dq 48
- oversell 85
- microfiche 64
- aquae 30
- punch 544
- heuristic 74
- inquire 494
- cross-cultural 85
- multiethnic 50
- justified 242
- motorboat 78
- carving knife 79
- house 529
- charbroil 96
- deem 228
- figuratively 101
- altitude 493
- grinningly 46
- churchmen 47
- Self respect 73
- come 347
- darts 47
- french 114
- frighten into 111
- abhorrence 109
- vermonter 30
- biologist 96
- co-act 22
- hippodrome 31
- kechua 48
- strive 192
- hiawatha 44
- Pace 241
- Particle 99
- halloween 86
- sob 531
- waterfront 79
- auditorium 364
- particular 469
- campy 125
- newspaperwoman 72
- court shoe 85
- christ 77
- Castigate 157
- yawning 65
- Oversee 52
- fireless 46
- understated 110
- stimulate 579
- lissome 77
- preeminence 55
- Sometimes 100
- Fail 202
- active 538
- jutish 31
- unbend 91
- aegis 110
- blether 87
- morass 173
- philology 53
- relegate 159
- ni 80
- interstice 64
- blearily 36
- chalk 523
- fetch up 87
- hyaena 38
- always 185
- mozzie 43
- vicuña 73
- work up to 46
- fall back 95
- jowl 76
- unsound 50
- account for 124
- vitamin 544
- bete noire 60
- Layman 128
- PROVIDENT 50
- classification 485
- insolent 83
- buff 160
- Unethical 183
- fine print 94
- shelled 53
- iniquity 73
- ddt 122
- Avow 21
- Ferris wheel 102
- academicize 33
- walkway 139
- laminate 55
- madonna 49
- fetishism 129
- juniority 41
- ejection seat 114
- incubus 42
- denotive 37
- outlive 81
- glance 549
- commanding 128
- Market 210
- undeniable 180
- neg. 53
- boss 534
- haruspex 27
- capital gains 101
- exploration 201
- birthday suit 90
- J.P. 52
- cover 268
- rifling 39
- jackknives 31
- infuriated 100
- attaché 349
- sarky 65
- jap 62
- Rocket 163
- inflected 53
- multilingually 31
- embezzlement 76
- lacuna 86
- turn away 54
- usherette 51
- athlete 500
- t 126
- portliest 32
- Olfactory 27
- cf 122
- Dialogue 225
- coffee bean 90
- swag 185
- count upon 71
- potholder 43
- putt 88
- fair sex 59
- least 419
- long-winded 86
- longly 44
- pornography 255
- lockdown 129
- ergonomically 76
- Imperfect 181
- string together 23
- haemoglobin 80
- Password 81
- Alcohol 159
- fifty-fifty 91
- ploy 135
- newscast 48
- Fork 103
- melanesia 52
- domino effect 89
- deb 122
- Persistent 193
- lessen 529
- janitrix 34
- disyllable 60
- allergen 126
- Baltic 51
- the evil eye 86
- detract 127
- ganglionic 29
- litigation 246
- love 197
- Aware 256
- support 530
- Commodity 187
- Reliable 111
- removed 93
- chimerical 116
- decry 150
- Br 100
- acids 43
- mottoed 34
- prosciutto 77
- patentor 34
- touch paper 29
- m 138
- pedestrian 147
- of course 78
- retiree 79
- Apprentice 42
- fisticuffs 82
- pixie 91
- elusory 49
- brambly 42
- noteless 37
- insecurity 258
- Blissful 131
- pelter 29
- Whistle 139
- -ics 63
- barge pole 107
- choose 468
- multiplication 87
- Duty 254
- kitty 72
- ganja 97
- yodel 90
- area code 100
- inking 69
- microplastic 55
- a slip of the tongue 44
- Weed 121
- ladyish 40
- drag in 76
- burka 110
- homogenize 60
- teardown 55
- dankish 38
- questioning 70
- audio- 32
- flimsiest 50
- Rein 156
- supplement 509
- Offshore 116
- plumed 53
- bon mot 83
- perversity 171
- Bill 205
- Arraign 147
- pins 42
- microlite 40
- collective noun 84
- dilapidate 53
- me 162
- Distant 50
- highlight 536
- melting 147
- oecd 45
- loofah 66
- facilitate 277
- languish 121
- Creole 24
- comedy 496
- fryer 105
- ivorian 43
- job sharing 59
- nucleotide 44
- hering 40
- hispanic 49
- narked 33
- arizonan 37
- juvenility 32
- hangnail 61
- disillusionment 99
- obscenities 30
- confidency 42
- crowd pleaser 89
- untie 160
- expression 553
- mercenary 249
- cease-fire 98
- cockle 120
- bhutanese 69
- barehand 53
- buddy 219
- finally 448
- electronic mail 110
- caustic 141
- nitroglycerin 67
- perinatal 191
- isometric 65
- irrigation 136
- gee 106
- stigmatize 173
- at your (own) peril 57
- desktop publishing 86
- steer 469
- kludgey 27
- parsee 32
- rut 228
- legger 32
- preppy 87
- sentimentalist 42
- Mephistopheles 46
- impressibility 30
- earth-shattering 67
- in accord with 37
- icy 133
- Coordinate 196
- pump (someone or something) full of (something) 47
- Technicolor 55
- donkey's years 84
- moment 385
- monotonize 45
- Mrs 43
- kilometer 443
- paltry 64
- ravel 165
- carve up 118
- muse 147
- changeless 99
- hither 79
- game changer 85
- nod 498
- entrée 113
- Journalist 127
- active service 107
- lickspittle 34
- the brush-off 115
- tomfooleries 36
- electron 461
- spook 136
- depopulate 133
- vesting 48
- value added tax 52
- increaseful 37
- froze 88
- Remnant 135
- remarkable 493
- oilskin 72
- holly 155
- weaklier 34
- megalopolis 60
- riveting 151
- Oversight 142
- flagellation 89
- mailman 101
- hangry 37
- face to face 95
- ESE 45
- coupledom 58
- enumerability 27
- Currency 115
- modus 37
- exit 551
- cock up 95
- transcendent 100
- hardwired 51
- Retraction 72
- gouge out 101
- semaphore 68
- squalid 226
- application 544
- alabama 53
- flickering 85
- privilege 545
- confessor 90
- kitchen 285
- painkiller 59
- flagrancy 68
- jerks 43
- diamond 559
- Mayhem 148
- Tier 118
- centiliter 99
- logrolling 45
- double-decker 59
- councilmanic 45
- easy chair 87
- Suffixes 45
- cheyenne 47
- overbearingness 44
- monotheistic 61
- papacy 66
- dilute 209
- REMEDY 115
- arise 639
- Impulse 70
- excursion 512
- mep 35
- chaperone 122
- airing cupboard 97
- throwaway 133
- in back of 44
- campily 69
- nabbing 29
- celsius 89
- conjuror 64
- mightily 60
- streetcar 55
- polish 114
- gunfire 134
- play off 59
- airfield 99
- tentacle 106
- exploiter 79
- assn. 72
- wetware 52
- Hierarchy 186
- sheathe 58
- actuality 149
- imamate 39
- dr 122
- Lt. 44
- bandsaw 43
- pizzicato 57
- draughts 88
- besiegingly 38
- copier 116
- galore 110
- letter 289
- cut down 141
- delphic 41
- dratted 43
- security 514
- tetanus 49
- sweatpants 40
- Advisories 45
- damningly 48
- haberdashery 131
- or 229
- panties 52
- spacey 75
- maximize 215
- nattiest 28
- tercet 34
- decorate 507
- lissom 33
- irreversible 315
- Roadside 39
- mademoiselle 51
- classier 47
- forward-looking 90
- grumpier 42
- Wave 146
- bedouin 79
- pennsylvania 60
- writer's cramp 69
- pull up 143
- encyclopedia 196
- fatting 46
- sunflower 74
- gibraltar 55
- fume 346
- disfranchise 103
- jarful 34
- Official 89
- Revenge 194
- dab hand 94
- armoury 56
- hypermiling 43
- emir 103
- madeleine 47
- autobiographer 106
- Cull 162
- namibian 44
- hexametrist 36
- detail 578
- Digress 17
- floor show 110
- mayday 75
- RNA 58
- corolline 38
- jot 174
- grubby 136
- dedicatee 77
- newsworthy 61
- kick off 114
- Coupon 55
- decoding 56
- come to an end 50
- invention 502
- alive 513
- fumes 105
- sumo 176
- collie 148
- intestine 111
- wren 62
- extendable 82
- slaying 54
- xhosa 53
- bead 172
- continent 556
- photographist 32
- footlike 34
standard deviation
noun
1
: a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution
also : a similar quantity found by dividing by one less than the number of squares in the sum of squares instead of taking the arithmetic mean
Example Sentences
Recent Examples on the Web In July of this year, the ratio surpassed the 200% threshold – representing more than a two standard deviation above its long-term trend. 
Nick Sargen, Forbes, 2 Sep. 2021 According to Schaeffer's Senior Quantitative Analyst Rocky White's latest study, MPC is within one standard deviation of its 160-day moving average. Schaeffer's Investment Research, Forbes, 6 July 2022 The subjects had an average age of 47 but spanned a wide spectrum, with a standard deviation of 12 years; 60 percent of them were female. Alex Hutchinson, Outside Online, 2 Feb. 2021 The children who got ARC Core did significantly better on a standardized test of reading comprehension—0.17 of a standard deviation, in research-speak. Natalie Wexler, Forbes, 8 Sep. 2021 Whereas gold bullion and the S&P 500 have a standard deviation of ±1% over a single trading day, Bitcoin has one closer to ±4%. Frank Holmes, Forbes, 25 Oct. 2021 The metrics are expressed as three-digit indexes, where 100 is average, 110 is one standard deviation above average, 120 is two standard deviations better than average, and so on. Paul Daugherty, The Enquirer, 31 Mar. 2022 The eight All-Stars scored at least one standard deviation above the mean in all five categories, meaning their scores were in the top 15% to 20% for more than 800 companies studied by Drucker. WSJ, 15 Feb. 2022 According to a study from Schaeffer's Senior Quantitative Analyst Rocky White, AA has come within one standard deviation of this trendline six other times over the past three years. Schaeffer's Investment Research, Forbes, 17 Mar. 2022 See More
Nick Sargen, Forbes, 2 Sep. 2021 According to Schaeffer's Senior Quantitative Analyst Rocky White's latest study, MPC is within one standard deviation of its 160-day moving average. Schaeffer's Investment Research, Forbes, 6 July 2022 The subjects had an average age of 47 but spanned a wide spectrum, with a standard deviation of 12 years; 60 percent of them were female. Alex Hutchinson, Outside Online, 2 Feb. 2021 The children who got ARC Core did significantly better on a standardized test of reading comprehension—0.17 of a standard deviation, in research-speak. Natalie Wexler, Forbes, 8 Sep. 2021 Whereas gold bullion and the S&P 500 have a standard deviation of ±1% over a single trading day, Bitcoin has one closer to ±4%. Frank Holmes, Forbes, 25 Oct. 2021 The metrics are expressed as three-digit indexes, where 100 is average, 110 is one standard deviation above average, 120 is two standard deviations better than average, and so on. Paul Daugherty, The Enquirer, 31 Mar. 2022 The eight All-Stars scored at least one standard deviation above the mean in all five categories, meaning their scores were in the top 15% to 20% for more than 800 companies studied by Drucker. WSJ, 15 Feb. 2022 According to a study from Schaeffer's Senior Quantitative Analyst Rocky White, AA has come within one standard deviation of this trendline six other times over the past three years. Schaeffer's Investment Research, Forbes, 17 Mar. 2022 See More Word History
First Known Use
1894, in the meaning defined at sense 1
Time Traveler
The first known use of standard deviation was in 1894 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文