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WINSTONCH
2 months ago
10

In a systematic review with a meta-analysis, researchers combine the results of each of the individual studies to create a large

r 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?
Mathematics
1 answer:
zzz [12.3K]2 months ago
4 0

Answer:

Power analysis

Step-by-step explanation:

Power analysis plays a crucial role in test structure. It enables researchers to determine the necessary sample size to identify an effect of a specified size with a certain level of confidence. Additionally, it allows us to assess the likelihood of detecting an effect of a given size with a specific degree of certainty concerning sample size limitations. If the probability is unacceptably low, it would be prudent to modify or abandon the analysis.

The primary purpose of power analysis is to guide the researcher in ascertaining the smallest sample size essential to identify the impact of a particular test at the desired level of significance.

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The function f(x)=-x^2-2x+15 is shown on the graph. What are the domain and range of the function?
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Réponse:

Le domaine est l'ensemble des nombres réels

y ≤ 16

Explication étape par étape:

Le domaine est l'ensemble des valeurs x que le graphe couvre. Il n'y a aucune restriction sur les valeurs x. Le domaine est l'ensemble des nombres réels.

La plage est l'ensemble des valeurs y que le graphe couvre. Les valeurs y atteignent au maximum 16 au sommet de la parabole. Ainsi, la plage est y ≤ 16.

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1 month ago
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A local school needs to paint the floor of its theater room, where the length of the floor, x, is at least 12 feet. The width of
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Answer: The correct formulation is option A.)A = x(x − 4) − 0.5(8)(x − 4) − 4(8)

Step-by-step explanation:

To calculate the area that needs painting in the theater room in square feet, follow these steps:

1. Calculate the area of the theater room

Length: x

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A (area of theater room) = x (x-4)

2. Calculate the area of the right triangle

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Base: 8

A (area of right triangle) = 0.5 (8) (x-4)

3. Calculate the area of the rectangle designated as a closet

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4. The painted area is calculated by subtracting the areas of the right triangle and the closet from the total area of the theater room:

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A = x (x-4) -0.5 (8) (x - 4) - 4 (8)

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2 months ago
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Answer: 7.50x should be greater than or equal to 200

Step-by-step explanation:

She aims to earn a minimum of $200.

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Brother is liable for 4/7 of the total cost.
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