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steposvetlana [31]
3 years ago
13

There are a total of _____ questions in the math section of the PSAT.

SAT
1 answer:
Brut [27]3 years ago
6 0
There are a total of Forty seven questions in the math section of the psat.
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Lincoln makes an appeal to logos through his passionate support of the Union. description of the Union’s history. concern about
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Typically, logos are used in order to convince the listeners or readers with the use of logical reasoning. In this case, Lincoln uses the logos appeal in his speech through his criticism of the Constitution. In his criticism, he presented it in a logical manner that listeners can analyze and comprehend.
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In the lead up to world war i, many countries and colonies were forced to join any conflict that broke out in europe because:
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For countries, they were "forced" to join the conflict due to their alliance and promise to come to military support when war breaks out.

For colonies, they were "forced" to join as they were conscripted to join into their host country's military.

This was essentially why Germany, Great Britain, and Russian Empire, tried to call for a peaceful settlement between the Austrio-Hungarian Empire and Serbia, but, on failing, were forced to join the war.

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2 years ago
Which of the following options are NOT correct interpretations of the unedited sentence given below?
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2 years ago
Select two symbols that represent a statistic.
Anna35 [415]
<h3>Answers: Choice B and Choice C</h3>

========================================================

Explanation:

The symbol \mu or mu represents the population mean, which is a parameter.

The symbol \sigma or sigma represents the population standard deviation, which is also a parameter. The same goes for the symbol p, without any hat on top, as it is the population proportion.

If something represents a population data item, then it's automatically a parameter. It might help to think both words "population" and "parameter" start with the letter P.

Based on those previous paragraphs, we can rule out choices A, D and E. Those three items are parameters. This leaves <u>choices B and C</u> as our final answers.

\overline{x} or xbar is a sample statistic, and it represents an estimate of the population mean. Similarly, \hat{p} or p-hat is the sample proportion and it represents an estimate of the population proportion. These are considered unbiased estimators.

Another example of an unbiased estimator is the variable s which represents the sample standard deviation and it estimates the value of sigma. All of these estimators have one thing in common: they are based on a sample, which in turn tries to predict what the corresponding population value is. In other words, the statistic's job is to estimate the parameter.

Below is a reference table for all of the items mentioned.

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2 years ago
McDonalds reports that 15% of their workers are under 18 years old. The best shifts for those under 18 is from
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3 years ago
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