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2 years ago

The graph shows the value of a certain model of car compared with its age. Which statement is false??

Mathematics

2 answers:

ICE Princess25 [194]2 years ago

8 0

We have to find the INCORRECT statement from the given 4 choices.

Since the points of the given scatter plot lie mainly in a straight line we can conclude that there is a strong correlation between the car's value and the car's age.

Since the correlation is strong the the slope is negative, we can conclude that the correlation coefficient is close to -1.

The data does shows a negative linear relationship as the line is falling i.e. slope is negative.

The statement D is false. The explanatory variable is plotted along x-axis. So the variable along x-axis is Car's age in years not Cars value.

So the answer to this question is D.

AleksandrR [38]2 years ago

7 0

Answer:

The correct answer is B

Step-by-step explanation:

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2 years ago

What is the middle integer?

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Answer:

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Step-by-step explanation:

Hello!

Let's create an equation to figure out what the middle integer really is.

Creating an equation:

n + (n + 1) + (n + 2) = -168 (This is true because we must account for the <em>consecutive integers </em>part.)

Simplifying:

3n + 3 = -168

Subtracting:

3n = -171

Dividing:

n = -57

Now, we plug-and-chug:

-57, -56, -54 (this is because we accounted for adding <em>positive </em>one.)

Thus, the middle integer is $\boxed{-56}$ .

Check:

We can see if we are correct by adding up -57, -56, -54.

(-57) + (-56) + (-54) = -168

So we are correct!

Hope this helps!

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2 years ago