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iogann1982 [59]
3 years ago
12

Find the standard deviation for each group of data items. Round answers to two decimal places. 7,9,9,15​

Mathematics
1 answer:
KonstantinChe [14]3 years ago
6 0

Answer:

3

Step-by-step explanation:

the calculator I used

http://www.alcula.com/calculators/statistics/standard-deviation/

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Https://prnt.sc/15rb0bk really need help
Katena32 [7]

Answer:

x = 25

Step-by-step explanation:

Both angles are supplementary and will add up to 180°

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collect like terms

5x + 2x +10 -5 = 180

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7x = 180 - 5

7x = 175

x = 175/7

x=25

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