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Calculate a 95% confidence interval: The average age of the 1225 respondents was 25.3 with a standard deviation of 1.9. Calculate a 95% confidence interval:
- Calculate a 95% confidence interval: The average age of the 1225 respondents was 25.3 with a standard deviation of 1.9.
- Calculate a 95% confidence interval: Of the 998 respondents questioned, 246 identified themselves as Catholic.
- Calculate a 95% confidence interval: Of the 1220 respondents for whom we have information, 178 said that they had been divorced at least once.
- Calculate a 95% confidence interval: The average number of children for the 945 respondents for which we have information was 1.98 with a standard deviation of 1.04.
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Mathematical Excursions
Authors: Richard N Aufmann, , Joanne Lockwood, Richard D Nation, Daniel K Clegg
3rd Edition
1305161793, 9781305161795
