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Which of the following best describes the condition necessary to justify using a pooled estimator of the population variance?
1- Assuming this represents a random sample from the population, the sample mean is an unbiased estimator of the population mean. 2-Because they are robust, t procedures are justified in this case. 3- We would use z procedures here, since we are interested in the population mean.
What does pooled data mean?
it means to rebulid
What does pooled data set means?
is a data set with same variables but observed from different group of respondents
What is a difference between a pooled variance and a combined variance?
Pooled variance is a method for estimating variance given several different samples taken in different circumstances where the mean may vary between samples but the true variance (equivalently, precision) is assumed to remain the same. A combined variance is a method for estimating variance from several samples, given the size, mean and standard deviation of each. Mathematically, a combined variance is equal to the calculated variance of the set of the data from all samples. See links.
How do you use variance analysis?
When data is homogeneous over k independent samples of size n_i for i=1,2,...,k, the pooled variance is given by s_p^2=((n_1-1) s_1^2+(n_2-1) s_2^2+⋯(n_k-1) s_k^2)/(n_1+n_2+⋯+n_k-k)
Which of the following best describes the condition necessary to justify using a pooled estimator of the population variance?
1- Assuming this represents a random sample from the population, the sample mean is an unbiased estimator of the population mean. 2-Because they are robust, t procedures are justified in this case. 3- We would use z procedures here, since we are interested in the population mean.
Is carbon pooled in phytoplankton and is carbon pooled in animal too?
Kingdoms of vegetals and animals are dominated by the carbon chemistry.
What is pooled quota?
The pooled quota means a waiting list for a train ticket. These are usually seen in a small group of cities in smaller countries.
What does pooled data mean?
it means to rebulid
Which groups pooled money together to provide help to new immigrants?
Benevolent associations pooled money together to provide help to new immigrants.
What are the key differences between pooled funds and mutual funds?
Pooled funds are investments where multiple investors contribute money into a single fund, while mutual funds are a type of pooled fund that is managed by a professional investment company. Pooled funds can include various types of investments, while mutual funds typically focus on stocks, bonds, or a combination of both. Additionally, mutual funds are regulated by the Securities and Exchange Commission (SEC), while other pooled funds may not be subject to the same regulations.
Pooled Quota Wait List can be confirm or not?
i thing not confirm.
Where are the agents found in immune globulins obtained from?
Pooled Human Plasma
Which type of bond are electrons pooled?
Electrons are pooled and shared in a covalent bond. In covalent bonds, atoms share electrons to achieve a stable electron configuration. This sharing creates a bond between the atoms.
What is difference between cost center and profit center?
Cost Centre: It is that department in factory where all costs are pooled or costs are allocated. Profit Centre: Is is that department where only profit is pooled like sales department.
Investors who pooled money to put together a voyage?
Joint stock company
What is the homophone for pulled and dragged?
The homophones for "pulled" and "dragged" are "pooled" and "dragg'd."
