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Paladinen [302]
3 years ago
15

When testing for differences between treatment means, a confidence interval is computed with __________________?

Mathematics
1 answer:
KIM [24]3 years ago
5 0
The confidence interval is based on mean square error. T<span>he </span>mean squared error<span> (</span>MSE<span>) </span><span>of an </span>estimator<span> measures the </span>average<span> of the squares of the </span>errors<span> or </span>deviations.<span> MSE is calculated by the formula attached in the picture, where Xbar is a vector of predictions, X is the vector of predicted values. </span>

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Step-by-step explanation:

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Sedbober [7]

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Determine the approximate value of x using basic trigonometry.
jekas [21]

Answer:

The value of x = 35.62

Therefore, option C) is true.

Step-by-step explanation:

Given

Ф = 58°

hypotenuse = 42

To determine:

x = ?

We know that the trigonometric ratio

sin Ф = opposite / hypotenuse

Here:

  • The opposite of Ф = x
  • Ф = 58°
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so substituting the value

sin Ф = opposite / hypotenuse

sin 58° = x / 42

x = 42 × sin 58°

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Thus, the value of x = 35.62

Therefore, option C) is true.

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3 years ago
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