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borishaifa [10]

2 years ago

6

Nam:

2 answers:

sasho [114]2 years ago

6 0

When doing that it will be B

Basile [38]2 years ago

3 0

Answer:

D. Amount of income earned and years of education

Step-by-step explanation:

A positive correlation is a linear movement where when one variable increases, another variable increases as well.

Shoe size and weight have correlation.
Day of the week and temperature also have no correlation.
Cost to heat a house and putside temperature would be a negative correlation because on variable is decreasing while the other is increasing.
The longer your education, the more your income will make because of your knowledge on that particular subject.

Therefore, the best answer is D.

hope this helps!

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P would equal negative three.

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3 years ago

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A professor at a university wants to estimate the average number of hours of sleep the students get during exam week. The profes

balandron [24]

Answer:

The sample size is $n = 2$

Step-by-step explanation:

From the question we are told that

The margin of error is E =4.266

The standard deviation is $\sigma = 2.539$

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$\alpha = (100 - 99 ) \%$

=> $\alpha = 0.01$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

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Generally the sample size is mathematically represented as

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3 years ago

What are 2 equivalent ratios to 27:9?

Andrei [34K]

Answer:

3:1

54:18

Step-by-step explanation:

You can divide both sides by 9 to get one ratio:

27/9:9/9

3:1

You can also multiply both sides by 2 to get another ratio:

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The storage box is 9 feet deep.
Hope this helps!

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