What is the standard deviation of the data set? 1, 4, 2, 2, 8, 7, 3 Round your answer to the nearest tenth.
2 answers:
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Answer: There are 152 apples.
The explanation is shown below:
- You need to write the following three equations, where is the the number of apples,
is the number of pears and
is the number of oranges:
1)
2)
3)
- You must substitute the equation 3) into the equation 2):
- Now, you need to solve for in the equation 1) and then you must substitute it into
:
- Solve for , as following:
- Therefore, there are 152 apples.
The length of BC is 72 I hope this will help uh
