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2 years ago

Standard deviation of 8, 4, 14, 16, 8

Mathematics

1 answer:

Ivan2 years ago

3 0

Answer:

The answer for standard deviation would be:

4.382

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When outliers are removed how does the mean change?

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The answer to this question is the mean increases by 3.

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A recipe uses 5 cups of sugar for every 2 cups of sugar how much flour is used with 7 cups of sugar

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35 cups of flour is used with 7 cups of sugar

Step-by-step explanation:

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2 years ago

Consider the following sequence

wlad13 [49]

Answer:

a₇ = 2.375

Step-by-step explanation:

There is a common ratio r between consecutive terms, that is

r = $\frac{-76}{152}$ = $\frac{38}{-76}$ = $\frac{-19}{38}$ = - $\frac{1}{2}$

This indicates the sequence is geometric with nth term

$a_{n}$ = a₁ $(r)^{n-1}$

where a₁ is the first term and r the common ratio

Here a₁ = 152 and r = - $\frac{1}{2}$ , then

$a_{n}$ = 152 $(-\frac{1}{2}) ^{n-1}$ , so

a₇ = 152 $(-\frac{1}{2}) ^{6}$ = 152 × $\frac{1}{64}$ = 2.375

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3 years ago

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Step-by-step explanation:

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2 years ago

What is 2(-a-8) + 7a

ella [17]

Answer:

a = 3.2

Step-by-step explanation:

2( -a - 8) + 7a = 0

-2a -16 + 7a = 0

5a - 16 = 0

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3 years ago

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