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提问人：网友zhangyibupt 发布时间：2022-01-07

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Please choose an appropriate word from the bank to fill in the blanks. human beings amphib

ians reptile snakes species horns dull scales Some species of reptiles and have live birth, or have specific mating rituals, but it’s not very helpful when trying to distinguish amphibians from reptiles.

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更多“Please choose an appropriate word from the bank to fill in the blanks. human beings amphib”相关的问题

第1题

单样本x均值[图]的t检验使用___________。A、stats.ttes...

单样本x均值的t检验使用___________。

A、stats.ttest_1samp（x, 2.3）

B、stats.binom_test（x, 2.3）

C、stats.wilcoxon（x, 2.3）

D、stats.chi2_test（x, 2.3）

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第2题

3. Emails from chairman sent directly to all staff may meet with opposition from middle managers.

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第3题

Electronic markets are the EC mechanism supporting the

A、A) communicate, collaborate and learn EC activities.

B、B) presence and delivery, find information, compare, and analyze EC activities.

C、C) improve performance EC activities.

D、D) entertainment EC activities.

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第4题

根据有关要求，每天需对自动站数据文件进行备份，需备份的数据文件及备分方式有哪些？如何保证备份数据的完整性？

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第5题

In your company, some materials have a large number of goods movement leading to possible errors in Inventory Management.You would like to inventory the stock several times each time using only a sample but cover all stock units at least one every year.Which of the following methods can be used? Please choose the correct answer.()

A.Cycle Counting Method

B.Live method

C.Sampling method

D.Difference Posting procedure

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第6题

______________ sampling is a form of probability sampling in which sampling units are divided into mutually exclusive and collectively exhaustive subpopulations.

A．Judgment sampling

B．Quota sampling

C．Simple random

D．Convenienc

E．Cluster

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第7题

Which of the following statement about quota sampling and stratified sampling is/are true?

A．In both of them, there exist distinctive subgroups in the population.

B．They both need a sampling frame of each of the subgroups of the target population.

C．In both of them,researchers want to ensure that all strata are included in the sample in order to enhance the representativeness of the sample and/or to enable comparisons between strA

D．Stratified sampling does not need a sampling frame to generate a stratified sampl

E．

E．In both of them,once the sample number of each subgroup is defined,samples are drawn in simple random sampling or systematic sampling metho

D．

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第8题

Please choose an appropriate word from the bank to fill in the blanks. human beings amphibians reptile snakes species horns dull scales An amphibian’s skin normally looks a bit shiny, though, depending on the species, it may be .

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第9题

1. The piece of paper that says your flight number and seat number is called a _______________.

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第10题

2. The place in the airport where you show your ticket and leave your baggage is called the _______________.

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