Madden 2020 game cost $95. Last year this game was $76. What is the percent change in price

Mathematics

1 answer:

Nata [24]3 years ago

4 0

Answer:

25%

Step-by-step explanation:

Percentage change is the difference between the new price and the old price, divided by the old price. Finally, multiply by 100 to convert the decimal answer to percent.

Difference in prices (new - old): 95 - 76 = 19

Divide by old price: 19/76 = .25

Multiply by 100%: .25 x 100 = 25%

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Step-by-step explanation:

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Answer:

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

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Step-by-step explanation:

Let's consider these two data sets:

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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.