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Statistics: Finding Confidence Intervals

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Using the spread sheet that is attached, develop 95% and 99% confidence intervals for the following:
The mean hours per week that individuals spend in their vehicles,the average number of miles driven per week, the proportion of individuals who are satisfied with their vehicle and the proportion of individuals who have at least one child.

Please describe "in detail" how to accomplish the requested tasks.
Please see the attached spreadsheet.
I'm not asking for the answers - I'm asking how to compute answers.

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Solution Summary

This solution involves finding 95% and 99% confidence intervals for sample means and sample proportions.

Solution provided by:
Chris Busu, PhD (IP)
Education
  • BSc, University of Bucharest
  • MSc, Ovidius
  • MSc, Stony Brook
  • PhD (IP), Stony Brook
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