Find the slope of the line that passes through the two points. (-2,-8) and (4,4)

Mathematics

2 answers:

Anastasy [175]3 years ago

5 0

The answer for the slope is 2!

olya-2409 [2.1K]3 years ago

4 0

Answer:

The slope is 2

Step-by-step explanation:

Basically its Point slope form. Couldn't get their equation creator to work properly. Anyway....

(-2,-8) becomes the first set of x and y

(4,4) becomes the second set of x and y

For numerator.......4- -8=12

For denominator.......4- -2=6

12/6=2

The slope is 2

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Determine whether there is a difference between the two data sets that is not apparent from a comparison of the measures of cent

Iteru [2.4K]

Answer:

It seems the question is incomplete as the two data sets implied from the question are not visible.

However, two data sets having identical measures of center have a difference.

Step-by-step explanation:

Let's consider these two data sets:

2, 2, 3, 5, 6, 6 and 1, 1, 1, 1, 1, 19

Both were contrived.

The most reliable among the measures of center is the mean. The mean of each is calculated by summing the data and dividing by the number of elements. In both sets, the mean is 4.

The data in the first set seem to be concentrated around the mean indeed. But for the second data set, one of them, 19, is obviously very far from the others and the mean. We need another measure to describe this: standard deviation.

Its formula is:

$\rho=\sqrt{\dfrac{\sum (x-\overline{x})^2}{n}}$

$x$ represents each data, $\overline{x}$ is the mean and $n$ is the number of items. $x-\overline{x}$ is the deviation from the mean of each data item.