3 years ago

Explain how to find the mean of a data set

Mathematics

2 answers:

aleksandrvk [35]3 years ago

7 0

To find the mean, aka average, we must add all the values of the table, then divide that sum by the number of values

tigry1 [53]3 years ago

4 0

Answer:

Add all the numbers together and divide it by the total of the numbers in the data set.

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serg [7]

Answer:

Step-by-step explanation:

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shusha [124]

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3 years ago

Read 2 more answers

What is the simplified form of the following expression?

kogti [31]

Answer:

$\sqrt{3}$

Step-by-step explanation:

We will be using 2 properties of radicals in this simplification (outlined below).

$\sqrt{a*b}=\sqrt{a}* \sqrt{b}$
$\sqrt{a}*\sqrt{a}=a$

<em>Let's simplify this:</em>

$2\sqrt{27} +\sqrt{12} -3\sqrt{3}-2\sqrt{12}\\ =2\sqrt{9*3}+\sqrt{4*3} -3\sqrt{3}-2\sqrt{4*3} \\=2\sqrt{9} \sqrt{3} +\sqrt{4} \sqrt{3}-3\sqrt{3}-2\sqrt{4} \sqrt{3} \\=2(3)\sqrt{3}+(2)\sqrt{3} -3\sqrt{3}-2(2)\sqrt{3} \\ =6\sqrt{3} +2\sqrt{3}-3\sqrt{3}-4\sqrt{3} \\=\sqrt{3}$