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Eddi Din [679]
3 years ago
10

Easy question worth 20 points.

Mathematics
2 answers:
Murljashka [212]3 years ago
7 0

Answer:

Hello,

There are 2 different solutions.

Hope this helps you!

Step-by-step explanation:

labwork [276]3 years ago
3 0
Both equal to y so set equal to each other

4x+4=x²+4
minus 4 both sides
4x=x²
minus 4x both sides
0=x²-4x
factor
0=x(x-4)
set each to zero

0=x

0=x-4
4=x

x=4 and 0
2 solutions
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Answer:

True. See explanation below

Step-by-step explanation:

Previous concepts

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".  

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If we assume that we have k groups and on each group from j=1,\dots,k we have k individuals on each group we can define the following formulas of variation:  

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SS_{between=Treatment}=SS_{model}=\sum_{j=1}^p n_j (\bar x_{j}-\bar x)^2  

SS_{within}=SS_{error}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2  

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The degrees of freedom for the numerator on this case is given by df_{num}=k-1 where k represent the number of groups.  

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