This explanation shall help you, To find a mean you first need to add
25 + 21+36+16+32 and then divide by 5 and then you will get your answer. Hope this helps!
Answer:
2
Step-by-step explanation:
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⊹˚ʚ ❑Answer︰3+(10n)
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Answer: I think it is b
Step-by-step explanation:
The confidence interval can be calculated from the margin of error, and vice versa,
The margin of error of the confidence interval is 2.156
The confidence interval is given as:

The formula of confidence interval is:

Where E represents the margin of error.
So, by comparison:

Multiply

Hence, the margin of error of the confidence interval is 2.156
Read more about margin of errors at:
brainly.com/question/13990500