Question

# Your linear regression function read as follows:

r^{2} = 0.9909817911, r = 0.9954806834, a = 13.55882353, b = 17.58823529

Which is the correlation coefficient of the line?

- r
^{2} = 0.9909817911 - r = 0.9954806834
- a = 13.55882353
- b = 17.58823529

^{2}= 0.9909817911## The correct answer is: r = 0.9954806834

### Your linear regression function read as follows:

r2 = 0.9909817911, r = 0.9954806834, a = 13.55882353, b = 17.58823529

The correlation coeff. of the line is

r = 0.9954806834

### Related Questions to study

### Your linear regression function read as follows:

r^{2} = 0.9909817911, r = 0.9954806834, a = 13.55882353, b = 17.58823529

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### Your linear regression function read as follows:

r^{2} = 0.9909817911, r = 0.9954806834, a = 13.55882353, b = 17.58823529

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r^{2} = 0.9944, r = 0.9972, a = 0.776823, b = 4.69062

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>>>Vertical shift of f(x) by 3/4 becomes 3/4(x)

>>>Shifting right the function becomes 3/4(x-2)

>>>Shifting right the function gives 3/4(x-2)-4.

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From the question it is clear that .

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### Which of the following describes the difference between the graph of f and the graph of the input of f multiplied by 5?

From the question it is clear that .

So, the slope changes by a factor of 5; the y - intercept does not change.

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Given

So,

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Given

So,

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Given

So,

### A student graph . On the same grid, he/she graphs the function g which is a transformation of f made by subtracting 4 from the input of f. Write the equation of the transformed graph.

Given

So,

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Given and

So, the graph of the function g is the function f translates k units horizontally.

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Given and

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Multiplying the output of a linear function f by k scales its graph vertically.

So, when k > 1 the transformed graph is a vertical stretch.

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So, when k > 1 the transformed graph is a vertical stretch.

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So, the value of k = 3.

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The function of the graph g is translated 3 units up compared to the graph of f.

So, the value of k = 3.