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chubhunter [2.5K]
3 years ago
12

What does the idea of "Better Together" mean to you?

Mathematics
1 answer:
yulyashka [42]3 years ago
7 0

Answer:

like a couple or best friends who are better together than anyone else combined

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A regional planner employed by a public university is studying the demographics of nine counties in the eastern region of an Atl
Brilliant_brown [7]

Answer:

Step-by-step explanation:

Hello!

Given the variables:

X₁: Median Age

X₂: Median Income

b) Considering it from a logical point of view, income changes with age, for example, the more experienced the worker is you would think he would get a better paying job than a younger worker who is just starting. Then the dependent variable will be the median income and the independent variable will be the median age.

a)  and c)

To see if there is a linear regression between the median income and median age you have to conduct a hypothesis test for the slope. If the slope is equal to zero, there is no linear regression between the two variables, if it is different to zero, there is a regression between the two of them:

H₀: β=0

H₁: β≠0

α: 0.05

t= \frac{b-\beta }{Sb} ~~t_{n-2}

The estimated regression equation for this regression ^Yi= 20.01 + 0.50X

The standard deviation for the slope is Sb= 0.11

t_{H_0}= \frac{0.50-0}{0.11} = 4.545

And the p-value for the test is 0.0022

The p-value is less than the level of significance I choose, so the decision is to reject the null hypothesis. You can conclude that there is a linear regression between these two variables.

The correlation coefficient between the median income and the median age is r= 0.87 ⇒ This means you could expect a positive and strong linear correlation between the two variables.

d)

The slope represents how much the variable Y is modified whenever the variable X increases one unit.

In this example: Is the modification of the population mean of the median income, when the median age increases one year.

5 0
3 years ago
What is bigger 3/4 or 3/8
Naya [18.7K]
3/4 is bigger. 3 divided by 4 is 0.75.  3 divided by 8 is 0.375
5 0
3 years ago
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Find the coordinates of the image after a translation of the figure below using (x, y) (x + 3, y + 2).
san4es73 [151]
A' (. -4+3,-3+2). A' ( -1,5)
B' ( 2,3)
C' ( 6,7)
D' ( 5,-3)
6 0
3 years ago
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What value of x makes this equation true , use numerals instead of words.<br> -2x+3=-15
uysha [10]

Answer:

x = 9

Step-by-step explanation:

-2x + 3 = -15

-2x = -18

x = 9

7 0
1 year ago
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Brad can bicycle at a rate of 55km/h. What is his speed in feet per second?
Brrunno [24]
55km/60minuess=0.916km per min. 0.916/60second=0.01527km per sec. convert km to feet. which is 50 feet. your answer is 50 feet per second
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