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WARRIOR [948]
3 years ago
6

Multiplication is a faster way to do repeated

Mathematics
2 answers:
Sedbober [7]3 years ago
6 0

Answer:

Additions.

Step-by-step explanation:

Multiplication is equivalent to repeated additions and is faster, especially if the numbers are large.

A simple example is 2 * 3 = 2 + 2 + 2.

Paladinen [302]3 years ago
3 0

Answer:

Addition.

Step-by-step explanation:

Multiplication is a faster way to do repeated addition.

For example, lets say you would add 10 fifteen's together. Addition would make it:

15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15

= 30 + 30 + 30 + 30 + 30

   = 60 + 60 + 30

      = 120 + 30

          = 150

However, when multiplying:

15 x 10 = 150

As you can tell, multiplication makes it so there are less steps, and is less time consuming.

~

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The scores on a statistics test had a mean of 81 and a standard deviation of 9. One student was absent on the test day, and his
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Using the definitions of the mean and of the standard deviation of a data-set, we have that:

  • The mean would increase.
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<h3>What are the mean and the standard deviation of a data-set?</h3>

  • The mean of a data-set is given by the <u>sum of all values in the data-set, divided by the number of values</u>.
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When the measure of 84 is added to the data-set, we have that:

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More can be learned about the mean and the standard deviation of a data-set at brainly.com/question/26941429

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