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WINSTONCH [101]
3 years ago
13

Please help with work

Mathematics
1 answer:
yawa3891 [41]3 years ago
6 0
Answer


If one of your options are six then choose it
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Suppose the average math SAT score for students enrolled at local community college is 490.4 with a standard deviation of 63.7.
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Answer:

Option B) 9.1      

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

Standard deviation = 63.7

Sample size, n = 49

Formula:

=\dfrac{\sigma}{\sqrt{n}}

Putting values, we get,

Standard error =

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{63.7}{\sqrt{49}} = 9.1

Thus, the correct answer is

Option B) 9.1

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The perimeter of an object is the sum of its side lengths. For example, the
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Answer:

5 inches

Step-by-step explanation:

23 - 10 - 8 = 5 inches

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Answer:

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