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The following data were collected in a small pilot study: n=17 x=129 points s=14 points Researchers want to conduct a larger follow-up study to estimate

The following data were collected in a small pilot study:

n=17

x=129 points

s=14 points

Researchers want to conduct a larger follow-up study to estimate the population mean with 95% confidence and a margin of error of 2 points. What is the minimum sample size they should obtain?

Use a z* multiplier of 1.960.

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