In a systematic review with a meta-analysis, researchers combine the results of each of the individual studies to create a larger sample size (and therefore greater power), then re-run the statistics to capture the true magnitude of the effect. The single-effect measure calculated and reported when the results from all the studies are combined is called what:______

Answers

Answer 1

Answer:

The single-effect measure calculated and reported is called: Summary statistic

The summary statistic is use to derive a more centralized result ( measure of central tendency ) of a group of data contained in a data set. given that all the results of each individual studies are collected to create a larger sample.

The single-effect measure that will be calculated and reported when this larger sample size is re run to capture the true magnitude is termed the summary statistic of the individual studies.

Hence we can conclude that the single-effect measure calculated and reported is called summary statistic

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Answer 2

Answer:

Answer: Power Analysis

Step-by-step explanation:

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The question is in the pic pls help
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The surface of a mountain is modeled by the equation h(x, y) = 5000 - 0.001x² - 0.004y². A mountain climber is at the point (500, 300, 4390). In what direction should the climber move in order to ascend at the greatest rate?

Answers

Answer:

i-2.4j

Step-by-step explanation:

Given that,

The surface of a mountain is modeled by the equation as follows :

$h(x,y)=5000 -0.001x^2-0.004y^2$

A mountain climber is at the point (500, 300, 4390).

We need to find the direction in which he should move in order to ascend at the greatest rate.

To find direction, first finding the gradient of h as follows :

$\nabla h(x,y)=-0.002xi-0.008yj$

Now put x = 500 and y = 300

So,

$\nabla h(x,y)=-0.002(500)i-0.008(300)j\n\n\nabla h(x,y)=i-2.4j$

The direction of the climber is i-2.4j

Find the missing segment in the image below

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the missing segment is 25

The missing segment is 25

Find the distance between the two points

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I got 8.1 units
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I used the Pythagorean Theorem to find my answer. I plugged in 7 for the long side and 4 for the short side and then solved.
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Hope this helps :)

Blank divided by 8= 6 remainder 2

Answers

Answer:

50/8 = 6 remainder 2.

Step-by-step explanation:

A line with a slope of -2 passes through the point (4, 7). Write an equation for this line in point-slope form.

Answers

Answer:

The equation in point-slope is $y-7=-2(x-4)$ .

Step-by-step explanation:

Point-slope is a specific form of linear equations in two variables:

$y-b=m(x-a)$

When an equation is written in this form, m gives the slope of the line and (a, b) is a point the line passes through.

We want to find the equation of the line that passes through (4, 7) and whose slope is -2. Well, we simply plug m = -2, a = 4, and b = 7 into point-slope form.

$y-7=-2(x-4)$

$\bf (\stackrel{x_1}{4}~,~\stackrel{y_1}{7})~\hspace{10em} slope = m\implies -2 \n\n\n \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\n \cline{1-1} \n y-y_1=m(x-x_1) \n\n \cline{1-1} \end{array}\implies y-7=-2(x-4)$