Momwe Mungawerengere Ma Quartile, Ma Decile, ndi Ma Percentile mu Deta Yowerengera Mu ziwerengero, nthawi zambiri timafunika kudziwa malo a mtengo mkati mwa seti ya deta. Kungowerengera apakati kapena apakati sikokwanira, chifukwa miyeso iwiriyi sikufotokoza momwe deta imagawidwira komanso momwe kuwona kumafananira ndi ena. Apa ndi pomwe ma quartile ndi ma decile amalowa. Werengani zambiri
Kusanthula Kusiyana ndi Kupotoka Kokhazikika mu Kugawa Deta Mu ziwerengero, kumvetsetsa kugawa deta ndikofunikira monga kumvetsetsa mfundo zazikulu monga apakati kapena apakati. Ma seti awiri a data akhoza kukhala ndi avareji yofanana, koma kugawa kwawo kungakhale kosiyana kwambiri: imodzi ikhoza kukhala yolumikizidwa mozungulira avareji, pomwe inayo ikhoza kufalikira kwambiri. Apa ndi pomwe kusiyana ndi kupotoka kokhazikika kumabwera… Werengani zambiri
Njira Zodziwira Kupotoka kwa Avereji mu Deta Yowerengera Mu ziwerengero, kungomvetsa "pakati" pa deta—mwachitsanzo, kudzera mu mean kapena median—nthawi zambiri sikokwanira. Ma data awiri akhoza kukhala ndi mean yofanana, koma amasiyana kwambiri pamlingo wa "kusintha" kwa mtengo wawo. Chifukwa chake, miyeso ya kufalikira ndi yofunika. Muyeso umodzi wa kufalikira womwe ndi wosavuta kumvetsetsa ndikugwiritsa ntchito ndi mean deviation... Werengani zambiri
Momwe Mungawerengere Kuchuluka kwa Deta mu Kusanthula kwa Ziwerengero Kuchuluka kwa deta ndi chimodzi mwazoyesa zosavuta za kufalikira mu kusanthula kwa ziwerengero. Ngakhale kungawoneke ngati kosavuta, kuchuluka kwa deta kumachita gawo lofunikira popereka chiwonetsero chachidule cha kuchuluka kwa kusiyana kwa mitengo mkati mwa seti ya deta. Mwachizolowezi, kuchuluka kwa deta nthawi zambiri kumagwiritsidwa ntchito ngati gawo loyamba musanawerengere miyeso ina ya kufalikira, yomwe… Werengani zambiri
Kusiyana Pakati pa Mean, Median, ndi Mode mu Descriptive Statistics Mu descriptive statistics, cholinga chachikulu ndi kufotokozera mwachidule deta kuti zikhale zosavuta kumvetsetsa. Deta yayikulu, yosiyanasiyana, komanso nthawi zina "yosokonezeka" idzakhala yothandiza kwambiri ikaperekedwa mu mawonekedwe a muyeso wa central tendency. Miyeso itatu yomwe imagwiritsidwa ntchito kwambiri ya central tendency ndi mean, median,... Werengani zambiri
Kugwiritsa Ntchito Njira Kudziwa Makhalidwe Omwe Amapezeka Kawirikawiri M'moyo watsiku ndi tsiku, nthawi zambiri timakumana ndi deta: zigoli za mayeso a ophunzira, kukula kwa nsapato zomwe zimagulitsidwa kwambiri, mitundu yotchuka kwambiri yazinthu, ndi kuchuluka kwa madandaulo omwe amalandiridwa kawirikawiri ndi makasitomala. Funso ndilakuti, tingadziwe bwanji mosavuta kuti ndi makhalidwe kapena magulu ati omwe amawoneka pafupipafupi... Werengani zambiri
Njira Zowerengera Zapakati pa Deta Imodzi ndi Yamagulu. Median ndi muyeso wa chizolowezi chapakati chomwe chimagwiritsidwa ntchito nthawi zambiri mu ziwerengero. Mosiyana ndi avareji (avereji), yomwe imawonjezera mitengo yonse kenako imagawidwa ndi chiwerengero cha mitengo, median imagogomezera "mtengo wapakati" wa seti ya deta yosankhidwa. Chifukwa cha kuyang'ana kwake pamalo, median ndi yolimba kwambiri ku... Werengani zambiri
Momwe Mungadziwire Avereji kapena Avereji mu Seti ya Deta Avereji kapena avareji ndi imodzi mwa njira zomwe zimagwiritsidwa ntchito kwambiri poyesa chizolowezi chachikulu mu masamu, ziwerengero, ndi moyo watsiku ndi tsiku. Munthu akanena kuti "giredi yapakati pa kalasi" kapena "ndalama zapakati pamwezi," kwenikweni amatanthauza avereji. Lingaliro ili limatithandiza kumvetsetsa chithunzi chonse cha deta yomwe yaikidwa ndi... Werengani zambiri
Kusanthula Deta Pogwiritsa Ntchito Ma Polygon Osiyanasiyana mu Ziwerengero Mu ziwerengero, kufotokozera deta ndi gawo lofunika kwambiri musanayambe kupeza mfundo. Deta yomwe poyamba imakhala ndi manambala osaphika nthawi zambiri imakhala yovuta kumvetsetsa ngati siidakonzedwe bwino komanso kuwonetsedwa. Njira imodzi yothandiza yoperekera kugawa deta ndi kudzera mu ma polygon obwerezabwereza. Ma polygon obwerezabwereza amatithandiza kuwona mapangidwe… Werengani zambiri
Njira za Histogram za Deta Yogawidwa Histogram ndi njira yowonetsera deta yomwe imagwiritsidwa ntchito kawirikawiri mu ziwerengero, makamaka pochita ndi deta yogawidwa m'magulu. Mosiyana ndi tchati chokhazikika cha bar, chomwe chimawonetsa magulu osiyana, histogram imawonetsa kugawa kwafupipafupi kwa deta ya manambala yomwe yagawidwa m'magulu m'magawo. Kudzera mu histogram, titha kuwona... Werengani zambiri