The sum of two numbers is greater than either number ?

Mathematics

1 answer:

KonstantinChe [14]3 years ago

4 0

N+n<8

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The longer leg of a 30-60-90 trangle is 18

evablogger [386]

Answer:

The longer leg is opposite the 60, so to get the shorter leg you have to divide by \sqrt{3}

18 / \sqrt{3} = 6 \sqrt{3}

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3 years ago

If the coefficient of determination is 0.25 and the sum of squares residual is 180, then what is the value of SSY?

Gennadij [26K]

Answer:

And then $SSY=SS_{total}=\sum_{j=1}^n (y_j-\bar y)^2 =240$

C. 240

Step-by-step explanation:

Previous concepts

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

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"

When we conduct a multiple regression we want to know about the relationship between several independent or predictor variables and a dependent or criterion variable.

If we assume that we have $k$ independent variables and we have $j=1,\dots,j$ individuals, we can define the following formulas of variation: