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pshichka [43]
3 years ago
5

A survey was taken of students in math classes to find

Mathematics
1 answer:
Pie3 years ago
6 0
I’m guessing you meant central tendency.

I’d say the mean is the best measure for period 2. This is because it doesn’t have any extremely low or high values which could distort the mean value.

If it did ie. 8, then I would choose median as it is less affected by anomalous results
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Answer:

The 95% confidence interval obtained with a sample size of 64 will give greater precision.            

Step-by-step explanation:

We are given the following in the question:

A 95% confidence interval is calculated with the following sample sizes

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If we want a confidence interval with greater precision that is smaller width, we have to choose the higher sample size.

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