ZINTHU ZONSE

Kusanthula Deta ya Anthu Pogwiritsa Ntchito Ma Diagram ndi Ma Graph Kusanthula deta ya anthu ndi gawo lofunika kwambiri pakukonzekera chitukuko, kupanga mfundo za boma, ndi kuwunika mapulogalamu azachuma ndi chikhalidwe cha anthu. Deta monga kukula kwa anthu, kufalikira kwa malo, kapangidwe ka zaka, kuchuluka kwa kubadwa ndi imfa, ndi kuchuluka kwa anthu osamukira kudziko lina sikuli ndi tanthauzo ngati ikuwonetsedwa m'matebulo aatali okha. Chifukwa chake, ma diagram ndi... Werengani zambiri

Momwe Mungagawire Deta M'magawo a Makalasi Kugawa deta m'magawo a makalasi ndi gawo lofunika kwambiri pa ziwerengero zofotokozera. Cholinga chake ndikupangitsa kuti deta yambiri ikhale yosavuta kuwerenga, kusanthula, ndikuwonetsa m'matebulo ogawa pafupipafupi kapena ma histogram. Deta ikakhala yosiyana kwambiri komanso yofalikira, nthawi zambiri zimakhala zovuta kuzindikira mawonekedwe. Ndi magawo a makalasi, … Werengani zambiri

Kugwiritsa Ntchito Ziwerengero Zofotokozera mu Kafukufuku wa Anthu Ziwerengero zofotokozera ndi chimodzi mwa maziko ofunikira kwambiri pa kafukufuku wa anthu. Ofufuza asanapitirize kusanthula malingaliro—monga kuyesa malingaliro, kuwongolera, kapena kuwonetsa ubale pakati pa zinthu zosiyanasiyana—ayenera kumvetsetsa "nkhope" ya deta yosonkhanitsidwa. Apa ndi pomwe ziwerengero zofotokozera zimagwira ntchito: kufotokoza mwachidule, kupereka, ndi kufotokoza makhalidwe a deta kuti zimvetsetseke mosavuta. Pankhani ya... Werengani zambiri

Njira Zogwiritsira Ntchito Deta Yofufuzira Pogwiritsa Ntchito Ziwerengero Zoyambira Kafukufuku ndi njira imodzi yodziwika bwino yosonkhanitsira deta kuchokera kwa omwe adafunsidwa, kaya ndi kafukufuku wamaphunziro, kuwunika mautumiki, kafukufuku wamsika, kapena kupanga zisankho m'bungwe. Komabe, deta yofufuzira idzakhala yopanda tanthauzo ngati siikonzedwa mwadongosolo. Apa ndi pomwe ziwerengero zoyambira zimagwirira ntchito: kuthandiza ofufuza kufotokoza mwachidule deta, kupeza njira,… Werengani zambiri

Kusanthula Deta Yogulitsa Pogwiritsa Ntchito Ziwerengero Zofotokozera Mu dziko lamalonda lopikisana, deta yogulitsa si nkhani yongolemba zochitika; komanso ndi gwero la chidziwitso chanzeru chomwe chingathandize makampani kumvetsetsa momwe msika umagwirira ntchito, kuwunika momwe zinthu zikuyendera, komanso kupanga zisankho zodziwa bwino. Komabe, deta yogulitsa nthawi zambiri imakhala yayikulu komanso yofalikira m'njira zosiyanasiyana, zomwe zimapangitsa kuti zikhale zovuta kumvetsetsa pongoyang'ana manambala... Werengani zambiri

Kugwiritsa Ntchito Ziwerengero Zofotokozera mu Kafukufuku wa Maphunziro Ziwerengero zofotokozera ndi gawo lofunikira kwambiri pa kafukufuku wamaphunziro chifukwa zimathandiza kufotokoza deta mwachidule, momveka bwino, komanso mosavuta kumvetsetsa. Pankhani ya maphunziro, deta nthawi zambiri imasiyana: zigoli za mayeso a ophunzira, zotsatira za mafunso okhudzana ndi chilimbikitso cha kuphunzira, kuchuluka kwa ophunzira omwe akupezeka, zigoli za kulemba ndi kuwerenga, komanso deta ya anthu monga zaka, jenda, ndi chikhalidwe cha anthu. … Werengani zambiri

Momwe Mungawerengere ndi Kutanthauzira Ma Statistical Graph Molondola Ma Statistical graph nthawi zambiri amagwiritsidwa ntchito kupereka deta mwachidule komanso mosavuta. Kuyambira malipoti a bizinesi ndi nkhani zachuma mpaka kafukufuku wamaphunziro ndi zolemba zapaintaneti, ma graph amatithandiza kuwona zomwe zikuchitika, kufananiza, ndi machitidwe omwe ndi ovuta kumvetsetsa kuchokera ku manambala osaphika okha. Komabe, ma graph amathanso kusokeretsa ngati awerengedwa mwachangu… Werengani zambiri

Kusanthula Kugawa Deta Pogwiritsa Ntchito Kupotoka Koyenera Mu ziwerengero, kungomvetsa "pakati" pa seti ya deta sikokwanira. Ma seti awiri a deta akhoza kukhala ndi a avereji yofanana, koma makhalidwe awo amasiyana kwambiri chifukwa cha kuchuluka kwa kufalikira kwawo. Apa ndi pomwe lingaliro la kufalikira kwa deta limakhala lofunika. Chimodzi mwa miyeso yotchuka, yolimba, komanso yogwiritsidwa ntchito kawirikawiri yogawa m'magawo osiyanasiyana—kuyambira maphunziro ndi zachuma mpaka thanzi—ndi... Werengani zambiri

Njira Zowonetsera Deta Pogwiritsa Ntchito Ma Ogives Abwino Ndi Oipa Mu ziwerengero, kuwonetsa deta sikungokhudza kuyika manambala m'matebulo kapena ma graph; koma ndikusintha deta yaiwisi kukhala chidziwitso chomveka bwino komanso chowunikira. Njira imodzi yowonetsera yomwe nthawi zambiri imagwiritsidwa ntchito kuwonetsa machitidwe ogawa ma frequency ndi ma cumulative frequency ndi ogive. Ma Ogives nthawi zambiri amagwiritsidwa ntchito pamene deta... Werengani zambiri

Kugwiritsa Ntchito Matebulo Ogawa Ma Frequency Ochuluka mu Kukonza Deta: Pokonza deta, makamaka mu ziwerengero zoyambira, njira imodzi yothandiza kwambiri yofotokozera kuchuluka kwa deta yosaphika ndikugwiritsa ntchito tebulo logawa ma frequency. Komabe, nthawi zambiri timafunikira chidziwitso osati kokha pa kuchuluka kwa deta yomwe imagwera mu kalasi iliyonse, komanso kuchuluka kwa deta yomwe imasonkhanitsidwa... Werengani zambiri