假设检验（hypothesis test）
假设检验（hypothesis test）
相关考题：
● 以下 HTML 代码中，创建指向邮箱地址的链接正确的是 （42）（42）A. a href="email:test@test.com"test@test.com/aB. a href="emailto:test@test.com"test@test.com/aC. a href="mail:test@test.com"test@test.com/aD. a href="mailto:test@test.com"test@test.com/a
Observation is______________ qualitative research with no hypothesis. A.description-orientedB.experimental researchC.action researchD.deductive
● 以下 HTML代码中，创建指向邮箱地址的链接正确的是（69）。（69）A . a href="email:test@test.com"test@test.com/aB. a href="emailto:test@test.com"test@test.com/aC. a href="mail:test@test.com"test@test.com/aD. a href="test@test.commailto:test@test.com"test@test.com/a
以下HTML代码中,创建指向邮箱地址的链接正确的是______。A.test@t 以下HTML代码中，创建指向邮箱地址的链接正确的是______。A．＜a href="email:test@test.com"＞test@test.com＜/a＞B．＜a href="emailto:test@test.com"test@test.com＜/a＞C．＜a href="mail:test@test.com"test@test.com＜/a＞D．＜a href="mailto:test@test.com"＞test@test.com＜/a＞
共用题干第二篇Night of the Living AntsWhen an ant dies,other ants move the dead insect out of the nest.This behavior is interesting to scien-tists,who wonder how ants know for sure一and so soon一that another ant is dead.Dong-Hwan Choe,a scientist at the University of California,found that Argentine ants have a chemical on the outside of their bodies that signals to other ants,"I'm dead一take me away."But there's a twist to Choe's discovery. These ants behave a little bit like zombies（僵尸）.Choe says that the living ants一not just the dead ones一have this death chemicals. In other words,while an ant crawls around,perhaps in a picnic or home,it's telling other ants that it's dead.What keeps ants from hauling away the living dead? Choe found that Argentine ants have two additional chemicals on their bodies,and these tell nearby ants something like,"Wait一I'm not dead yet."So Choe's research turned up two sets of chemical signals in ants:one says,"I'm dead,"the other set says,"I'm not dead yet."Other scientists have tried to figure out how ants know when another ant is dead.If an ant is knockedunconscious,other ants leave it alone until it wakes up.That means ants know that unmoving ants can still be alive.Choe suspects that when an Argentine ant dies,the chemical that says"Wait一I'm not dead yet"quickly goes away. Once that chemical is gone,only the one that says"I'm dead"is left."It's because the dead ant no longer smells like a living ant that it gets carried to the graveyard（墓地）,not because its body releases new,unique chemicals after death,"said Choe.When other ants detect the"dead"chemical without the"not dead yet" chemical,they haul away the body. This was Choe's hypothesis（假设）.To test his hypothesis,Choe and his team put different chemicals on Argentine ant pupae（蛹）.When the scientists used the"I'm dead"chemical,other ants quickly hauled the treated pupae away.When the sci-entists used the"Wait一I'm not dead yet"chemical,other ants left the treated pupae alone.Choe believes this behavior shows that the" not dead yet" chemical overrides（优先于）the" dead" chemical when picked up by adult ants.And that when an ant dies,the"not dead yet"chemical fades away.Other nearby ants then de-tect the remaining"dead"chemical and remove the body from the nest.According to Paragraph 7,what is the result. of the test on Choe's hypothesis? A:It shows that his hypothesis is wrong.B:It proves that his hypothesis is convincing.C:It suggests that his hypothesis needs revising.D:Not enough evidence has been found to support his hypothesis.
以下HTML代码中，创建指向邮箱地址的链接正确的是（）。A、＜A href="email：test@test.com"＞test@test.com＜/a＞B、＜A href="emailto：test@test.com"＞test@test.com＜/a＞C、＜a href="email：test@test.com"＞test@test.com＜/a＞D、＜a href="emailto：test@test.com"＞test@test.com＜/a＞
SPSS软件中，完成两个独立总体均值是否相等的假设检验的操作是（）A、Analyze→Compare Means→One-Sample T TestB、Analyze→Compare Means→Independent-Sample T TestC、Analyze→Compare Means→Paired-Sample T TestD、Analyze→Nonparametric Test→Binominal
public class Test {} What is the prototype of the default constructor？（） A、 Test（）B、 Test（void）C、 public Test（）D、 public Test（void）E、 public void Test（）
测试功能分为哪几类（）A、POWER UP TEST，CYCLIC TEST两类B、POWER UP TEST，CYCLIC TEST，SPECIFIC TEST三类C、POWER UP TEST，CYCLIC TEST，SYSTEM TEST，SPECIFIC TEST四类
单选题According to the affective-filter hypothesis, _________is NOT an affective factor influencing language learning.AattitudeBmotivationCinterestDintelligence
单选题在linux系统中，将文件/tmp/test1和/tmp/test2压缩到/tmp/test.gz，正确的命令是（）。Atar -czvf test1 test2 test.gzBtar -czvf test.gz test1 test2Ctar test.gz test1 test2Dtar test1 test2 test.gz
问答题What is the role of formal learning according to the monitor hypothesis?