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Nimfa-mama [501]
2 years ago
11

If you were studying for a test on ancient Egypt, which of these search engine results would probably be the least reliable sour

ce of information?
a.British Museum—Egyptian Pyramids

b.Aliens Built the Pyramids

c.NOVA Online/Pyramids—The Inside Story

d.National Geographic: Egypt Pyramids—Facts, Photos, Diagrams
SAT
2 answers:
Klio2033 [76]2 years ago
8 0

Answer: Aliens built the pyramids

Explanation:

C'mon does that really sound reliable? Especially against the other options ( and I just took the exact same test)

Darya [45]2 years ago
6 0
The Best Option Would Be D Because British Museum-Egyptian Pyramids Would Be Helpful, But National Geographic:Egyptian Pyramids, Facts, Photos, And Diagrams Has That And More. C I Wouldn't Find Very Helpful, Because It's Just Focused On Pyramids, And B Is Totally Out Of The Picture. Hope That Helps!
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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.

8 0
2 years ago
Free points :) you’re welcome! and brainliest if you answer first!
SashulF [63]

Answer:

hi

Explanation:

8 0
3 years ago
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In which drawer do you find blocks that allow you to use the A and B buttons on your micro:bit?
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Answer: Input. Basic. variables

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The correct answer is C

We are solving for C so we need to isolate C

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The top of a 25-foot ladder is sliding down a vertical wall at a constant rate of 3 feet per minute. When the top of the ladder
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