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Hitman42 [59]
3 years ago
12

A regression model involved 18 independent variables and 200 observations. The critical value of t for testing the significance

of each of the independent variable's coefficients will have:__________. a) 18 degrees of freedom b) 200 degrees of freedom c) 199 degrees of freedom d) 181 degrees of freedom
Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0

Answer:

The correct answer to the following question will be Option d (181 degrees of freedom).

Step-by-step explanation:

The given values are:

Regression model,

n = 200

Observations,

p = 18

Now,

⇒  n-p-1

On putting the estimated values, we get

⇒  200-18-1

⇒  181

So that the correct choice will be "181 degrees of freedom".

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AleksAgata [21]

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4 0
3 years ago
The perimeter of the base of a regular quadrilateral prism is 60 cm, the area of a lateral face is 105 cm2. Find: the volume of
Harman [31]
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The area of one lateral face is the product of side length and height.
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Then the height of the prism is
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The area of the base is then
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The volume is 1575 cm³.
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