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Marizza181 [45]
3 years ago
10

Which equation is the slope intercept form of this equation?

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Y - 4 = -2x + 10 Multiply -2 to the inside the brackets

Y = -2x + 14 Add the 4 over

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It shows how much variable is affected by one another.

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Construct a confidence interval that will capture the true population mean with 95% confidence. Population standard deviation is
kompoz [17]

A confidence interval that will capture the true population mean with 95% confidence. The value is ( 23.6459    , 24.8293 ) .

What is population mean?

A population in statistics is a group of comparable objects or occurrences that are relevant to a particular topic or experiment. A statistical population can be a collection of real things or a hypothetical, possibly limitless collection of objects derived from experience.

Data: 18

for given data

$$\begin{aligned}\bar{X} & =\frac{\sum X i}{n} \\& =2448 / 101 \\& =24.2376\end{aligned}$$

as population variance is unknown so we used sample variance

$$\begin{aligned}S^2 & =\frac{1}{n-1}\left(\sum X i^2-n \times \bar{X}^2\right) \\S^2 & =\frac{1}{100}\left(60232-101 \times 24.2376^2\right) \\& =8.9830\end{aligned}$$

Now

\frac{\bar{X}-\mu}{S / \sqrt{n}} \sim t_{n-1}$$

hence 95 % of population mean is

As n=101 which is large so critical value is 1.98397

$$\begin{aligned}& =\left(\bar{X}-\sqrt{\frac{S}{n}} \times t_{(n-1, \alpha / 2)}, \bar{X}+\sqrt{\frac{S}{n}} \times t_{(n-1, \alpha / 2)}\right) \\& =\left(24.2376-\sqrt{\frac{8.9830}{101}} \times 1.98397,24.2376+\sqrt{\frac{8.9830}{101}} \times 1.98397\right) \\& =(23.6459,24.8293)\end{aligned}$$

To learn more about statistics visit:brainly.com/question/29093686

#SPJ4

4 0
1 year ago
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