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elena55 [62]
3 years ago
11

How do I write an equation of the trend line in slope intercept form?​

Mathematics
2 answers:
Fofino [41]3 years ago
6 0

Answer:

You can see that it also uses the slope. You'll plug in your x1 and y1 along with the slope into the formula. Then you'll evaluate and rewrite it in the slope-intercept form by solving for the y variable. From this, we see that our equation for the trend line is y = (1/3)x + 2, and we are done!

Step-by-step explanation:

Hope this helps

chubhunter [2.5K]3 years ago
3 0

Answer:

y=mx+b

Step-by-step explanation:

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Suppose that a random sample of 10 adults has a mean score of 62 on a standardized personality test, with a standard deviation o
aniked [119]

Answer:

The 90% confidence interval for the mean score of all takers of this test is between 59.92 and 64.08. The lower end is 59.92, and the upper end is 64.08.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.645*\frac{4}{\sqrt{10}} = 2.08

The lower end of the interval is the sample mean subtracted by M. So it is 62 - 2.08 = 59.92

The upper end of the interval is the sample mean added to M. So it is 62 + 2.08 = 64.08.

The 90% confidence interval for the mean score of all takers of this test is between 59.92 and 64.08. The lower end is 59.92, and the upper end is 64.08.

5 0
2 years ago
A bag is filled with green and blue marbles. There are 125 marbles in the bag. If there are 29 more green
ValentinkaMS [17]

Answer:

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Step-by-step explanation:

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3 years ago
Find the x and y intercepts of -5x+y=10
liubo4ka [24]

Answer:

x-int: (2, 0)

y-int: (0, -5)

To find the x-intercept, substitute in 0 for y.

To find the y-intercept, substitute in 0 for x.

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3 years ago
3 apples for $0.59 unit rate answer?
scZoUnD [109]

Answer:

$0.1966666

Step-by-step explanation:

3\overline{|\smallspace59}\:\:\:\:\:

\begin{matrix}\:\:\:\:\emptyspace1\emptyspace9.\:\:\:\:\:\:\:\:\:\:\:\\ 3\overline{|\smallspace59.0}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace3}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\emptyspace2\emptyspace9\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace7}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\end{matrix}

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2 years ago
- 15 + 21c = - 9 need help asap
Aliun [14]

Answer:

c is 2over 7

Step-by-step explanation:

if yk wat i mwan i mean in fractions like 2 on top and 7 at the bottom

5 0
3 years ago
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