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iren2701 [21]
3 years ago
13

The elevation of Location 1 is 20 feet above sea level and the elevation of Location 2 is 50 feet below sea level.

Mathematics
2 answers:
bearhunter [10]3 years ago
8 0

Answer:

C.

Step-by-step explanation:

Location 1 is 20 feet ABOVE the sea level while Location 2 is 50 feet BELOW the sea level.

Location 1 would be 20

Location 2 would be -50

And think of the greater than and lesser than symbol as a alligators mouth it would go towards the bigger number so, -50 < 20, Location 1 is higher, is the answer.

noname [10]3 years ago
4 0
Your answer is C i think!
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What is the best way to pay attention in school ???? Also what is the opposite of the opposite of 18
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Answer:

Mean = 47

n = 6

s= 16.56

\sqrt n = 2.45

SEM = 11.55

Step-by-step explanation:

Given: The above data

Solving (a): Mean of each group

Mean is calculated as:

Mean = \frac{\sum x}{N}

Mean = \frac{55 + 31 + 58 + 20 + 47 + 37+68 + 32 + 85 + 69 +58 + 52+26 + 47 + 30  +35 + 53 + 43}{18}

Mean = \frac{846}{18}

Mean = 47

Solving (b): The sample size of each group

This is the number of rows in each group.

Hence:

n = 6

Solving (c): Standard deviation (s)

This is calculated as:

s = \sqrt{\frac{\sum (x - \bar x)^2}{N}}

So, we have:

s= \sqrt{\frac{(55 - 47)^2 + (31  - 47)^2 +......... + (43 - 47)^2}{18}}

s= \sqrt{\frac{4936}{18}}

s= \sqrt{274.22}

s= 16.56

Solving (d): Square root of n

\sqrt n = \sqrt 6

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Solving (e): SEM

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SEM = \frac{s}{\sqrt N}

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SEM = 11.55

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3 years ago
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