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Tems11 [23]
3 years ago
11

Look at this set of 10 numbers:

Mathematics
1 answer:
Natalija [7]3 years ago
4 0

Step-by-step explanation:

mean when 82 is present

=<u>8</u><u>2</u><u>+</u><u>4</u><u>4</u><u>+</u><u>2</u><u>7</u><u>+</u><u>9</u><u>6</u><u>+</u><u>6</u><u>9</u><u>+</u><u>8</u><u>0</u><u>+</u><u>7</u><u>5</u><u>+</u><u>8</u><u>3</u><u>+</u><u>5</u><u>6</u><u>+</u><u>9</u><u>8</u>=<u>7</u><u>1</u><u>0</u>

10 10

= 71

mean when 42 is present

=<u>4</u><u>2+44+27+96+69+80+75+83+56+98</u>=<u>6</u><u>7</u><u>0</u>

10 10

=67

therefore the mean decreases with

= 71 - 67 = 4

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