网友您好，请在下方输入框内输入要搜索的题目：

搜题

题目内容（请给出正确答案）

提问人：网友chenwuok 发布时间：2022-01-07

[主观题]

In order to find values in the t- distribution table, you must convert the sample size or sizes to _______.

A、population sizes

B、degrees of freedom

C、z-values

D、student values

简答题官方参考答案（由简答题聘请的专业题库老师提供的解答）

查看官方参考答案

更多“In order to find values in the t- distribution table, you must convert the sample size or sizes to _…”相关的问题

第1题

When you do the literature search in order to decide the topic for your research paper, you may find that the topic you are interested in has already been done by someone else.For the topic already explored by others, you should _________.

A.give it up because it does no good to waste time by repeating Prior Art.

B.re-uate it to find some new aspects to make further contributions.

C.avail yourself of the ready-made materials and research findings and use them in your own paper.

D.either A or B.

点击查看答案

第2题

What does the writer intend to do in the second paragraph?

A、To show readers that cheerleading is problematic.

B、To convince readers that a problem exists.

C、To persuade readers to take competitive cheerleading seriously.

D、To tell readers why she became a cheerleader.

点击查看答案

第3题

In finding a confidence interval for the population mean, the population standard deviation should be used if it is known. If the population standard deviation is not known, then it should be estimated with _______.

A、the sample variance

B、the sample standard deviation

C、the range

D、the mean

点击查看答案

第4题

If the degrees of freedom in a t-distribution become very large, _______.

A、the t-values and the z-values are almost the same

B、the sample size must be very small

C、the population size must be very large

D、the sample mean approaches zero

点击查看答案

第5题

The variance of a Poisson distribution is equal to _______.

A、l

B、l/2

C、l2

D、 1566196840(1).jpg

点击查看答案

第6题

The first step in testing a hypothesis is to establish _______.

A、a not rejectance hypothesis and a rejection hypothesis

B、a power function

C、a null hypothesis and alternative hypothesis

D、an indirect hypothesis

点击查看答案

第7题

The region of the distribution in hypothesis testing in which the null hypothesis is rejected is called the _______.

A、not rejectance region

B、null region

C、alternative region

D、rejection region

点击查看答案

第8题

The rejection and not rejectance regions are divided by a point called the _______.

A、dividing point

B、critical value

C、rejection value

D、not rejectance value

点击查看答案

第9题

Jennifer Cantu, Customer Services Manager at Tri-Nation Auto Insurance, monitors the claims processing time of the claims division. Her standard includes ‘a mean processing time of 5 days or less’. Each week, her staff checks for compliance by analysing a random sample of 60 claims. Jennifer’s alternative hypothesis is ________.

A、> 5

B、5

C、n = 60

D、< 5

点击查看答案

账号：尚未登录

登录没有账号？去注册

搜题记录

联系客服

购买搜题卡

考试指南全部 >

成人高考：优势全面解读【浙江成人高考】成考后的学习方式,，2024年徐州工程学院成人高考录取分数线 2024年成人高考报考指南！12个步骤全流程梳理 24上半年福建自考成绩查询系统入口官网指南 2024年自考大专需要多少学费考完要多久 2024年江苏成人高考要注意些什么 24上半年江西自学考试成绩查询官网入口使用指南 24年成人高考河南考试时间 2024年江苏成考报名材料是什么 24上半年江苏自考本科成绩查询时间详细指南

购买搜题卡查看答案

购买前请仔细阅读《购买须知》

请选择支付方式

微信支付

支付宝支付

点击支付即表示你同意并接受《服务协议》和《购买须知》

立即支付已付款，但不能查看答案，请点这里登录即可>>

搜题卡使用说明

1. 搜题次数扣减规则：

功能	扣减规则
功能	基础费（查看答案）	加收费（AI功能）
文字搜题、查看答案	1/每题	0/每次
语音搜题、查看答案	1/每题	2/每次
单题拍照识别、查看答案	1/每题	2/每次
整页拍照识别、查看答案	1/每题	5/每次