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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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All the members of a construction crew work at the same pace. Six of them working together are able to pour foundation in 22 hou
beks73 [17]

Answer:

All the members of a construction crew work at the same pace. Four of them working together are able to pour concrete foundations in 32 hours.

Step-by-step explanation:

8 0
3 years ago
Haley solving this problem by combining like terms 3x +5x=10
GaryK [48]

Answer:

x = 5/4

Step-by-step explanation:

By combining like terms, you get 8x = 10.

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x = 10/8

This, however, can be simplified by dividing by 2. This ultimately gives us 5/4.

5 0
3 years ago
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I need help fast!!!!!
Vesna [10]
-48 is the answer to the question

mean = Summation of Data/Number of Data Added

mean = [(-54)+(-32)+(-70)+(-25)+(-65)+(-42)] / 6

mean = -288 / 6
mean = -48
7 0
3 years ago
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I need to know what 70% of 120 = ?
malfutka [58]
Question: <span>70% of 120 = ?

Work:

To find what </span><span>70% of 120 is. Do .70 times 120.

.70 x 120 = 84

Final Answer:

84
</span>
6 0
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What is 3.06 rounded to the nearest whole number
Gnom [1K]
3.06 rounded to the nearest whole number is 3.
.06 is much closer to 0 than it is to 1, so round down.
3.06 rounded down is 3, so that is your answer.
4 0
3 years ago
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