The range for a set of data is estimated to be 24. a. What is the planning value for the population standard deviation? b. At 95% confidence, how large a sample would provide a margin of error of 4? Round up to the next whole number. C. At 95% confidence, how large a sample would provide a margin of error of 2? Round up to the next whole number.

MATLAB: An Introduction with Applications
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Plz answer a,b and c part
The range for a set of data is estimated to be 24.
a. What is the planning value for the population standard deviation?
b. At 95% confidence, how large a sample would provide a margin of error of 4? Round up to the next whole number.
C. At 95% confidence, how large a sample would provide a margin of error of 2? Round up to the next whole number.
Transcribed Image Text:The range for a set of data is estimated to be 24. a. What is the planning value for the population standard deviation? b. At 95% confidence, how large a sample would provide a margin of error of 4? Round up to the next whole number. C. At 95% confidence, how large a sample would provide a margin of error of 2? Round up to the next whole number.
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