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Damm [24]
3 years ago
13

What is -13/6(12/7)=

Mathematics
2 answers:
kolezko [41]3 years ago
6 0

Answer:

-3.74

Step-by-step explanation:

Use PEMDAS

do the parenthesis first 12 divided by 7

-13 / 6 (1.7)

divide -13 by 6

-2.2(1.7)

multiply those two numbers

-3.74 is the answer

-BARSIC- [3]3 years ago
5 0

Answer:

-267

Step-by-step explanation:

−136(127)

=(−136)(127)

=(−13)(12)(6)(7)

=−15642

= −267

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A researcher compares differences in positivity between participants in a low-, middle-, or upper-middle-class family. If she ob
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Answer:

(2, 12)

Step-by-step explanation:

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"  

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SS_{total}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2  

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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=3-1=2 where k =3 represent the number of groups.  

The degrees of freedom for the denominator on this case is given by df_{den}=df_{between}=N-K=15-3=12.  

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(2, 12)

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3 years ago
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Answer:

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Step-by-step explanation:

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