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stiks02 [169]
3 years ago
11

A sample of 100 roller coaters examines the relationship between top speed (response) and max drop (explanatory). Based off of t

he fitted vs residual plot below, select all the assumption have been violated.
The Equal Variance Assumption

There aren’t any outliers.

Both variables are quantitative

The relationship is linear
Mathematics
1 answer:
vekshin13 years ago
6 0

Answer:

From the plot it is clear that assumption 1 and 2 are violated. That is, the assumption of equal variance ( homoscedasticity) and there aren't any outliers.

Step-by-step explanation:

Both variables are quantitative  and The relationship is linear have not been violated.

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The value of x in this system of equations is 1.
maria [59]

<em>Answer:</em>

<em>In my opinion the answer is </em><em><u>y = 6</u></em>

<em>Step-by-step explanation:</em>

<em>We have two unknowns from the equation therefore, two equations are needed. These equations are: </em>

<em> </em>

<em>3x + y = 9  </em>

<em>y = –4x +10  </em>

<em> </em>

<em>To solve for y, we first substitute the second equation to the first one. </em>

<em>3x + –4x +10= 9  </em>

<em>x = 1 </em>

<em> </em>

<em>We substitute the value of x to either of the equations and solve for y. </em>

<em> </em>

<em>y = –4(1) +10  </em>

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6 0
3 years ago
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Find the value of x using the polygon above.
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Answer:

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Step-by-step explanation:

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Divide by 126 on each side

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8 0
3 years ago
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