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Helga [31]
2 years ago
12

Which of the following statistics are unbiased estimators of population​ parameters?

SAT
1 answer:
MaRussiya [10]2 years ago
3 0

The statistics which are unbiased estimators of population​ parameters are:

I. A sample proportion that is used to estimate a population proportion.

II. A sample variance that is used to estimate a population variance.

III. A sample mean that is used to estimate a population mean.

In Statistics, an estimator can be defined as a statistical value (quantity), which is typically used for estimating a given parameter.

On the other hand, an unbiased estimator refers to an estimator with an expected value that is equal to the parameter i.e the value of its bias is equal to zero (0).

Typically, the proximity or closeness of a sample statistics to the population parameters is mainly determined through the use of an unbiased estimator.

Generally, the determinants of a probability distribution are referred to as parameters.

Hence, a normal distribution is determined through the use of the following:

  • Parameters.
  • Mean of the population.
  • Variance of the population.

In conclusion, the statistics which are unbiased estimators of population​ parameters are:

I. A sample proportion that is used to estimate a population proportion.

II. A sample variance that is used to estimate a population variance.

III. A sample mean that is used to estimate a population mean.

Read more: brainly.com/question/15359441

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3 years ago
Which of these is nearest in meaning to the word presume as it is used in the passage above.
Jlenok [28]

I do not have the passage, but here are the meanings that the word presume can have:

  • to assume something to be true without really knowing if it is true or not.
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If you want to understand the meaning of a word in the context of a passage, it is important to read the whole text so you can identify what the word specifically means in that passage.

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6 0
2 years ago
In a 12% grape juice drink, how much juice is in a 1.00L bottle? How much water?
Rainbow [258]
0.12 L will be grape juice
0.88 L will be water
for 100% (the full amount) - 12 % (grape juice amount) = 88 % (water) 

hope this helps

8 0
3 years ago
_____ offer bachelor's degrees.A.Community collegesB.Four-year collegesC.Early collegesD.Junior colleges
docker41 [41]
Answer: B

Explanation: junior colleges only offer undergrads not bachelors
6 0
3 years ago
Read 2 more answers
I need an explanation of this pleasee
Law Incorporation [45]
Option A is wrong because,

only when p(5)=0 , x-5 can be a factor of p(x)
but the question says P(3)=-2

option B is wrong because,

only when p(2)=0 , x-2 can be a factor of p(x)
but the question says P(3)=-2

option C is wrong because,

only when p(-2)=0 , x+2 can be a factor of p(x)
but the question says P(3)=-2

option D is correct because,

only when p(3)=0 , x-3 can be a factor of p(x)
here p(x) is not equal to 0

therefore, p(x)=0+(-2)=-2
so when p(x) is divided by x-3 it will leave a reminder -2

hope it helps!!





8 0
3 years ago
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