7 points!

Mathematics

1 answer:

Travka [436]3 years ago

6 0

It is the plus minus sign. It means to do the addition and subtraction.

Examples:

10 ± 7 = 17 and 3

15 ± 5 = 20 and 10

100 ± 90 = 190 and 10

It is generally used to indicate a possibility of two outcomes. A negative or positive outcome.

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Answer:

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Step-by-step explanation:

Properties of square:

1) All angles are right angle.

2) opposite sides are parallel

3) all sides are equal.

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When utilizing ANOVA, what does the between group sum of squares measure?

zhenek [66]

Answer:

b. The sum of the squared deviations between each group mean and the mean across all groups

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"

Solution to the problem

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