# STAT670 Introductory Statistics

0 Download 8 Pages / 1,908 Words 27-07-2021
• Course Code: STAT670
• University: Macquarie University
• Country: Australia

## Questions:

The data set above was also used to answer these additional research questions:

a.Was the average household size in 1960 equal to 3.67, as claimed by the website Statistica.com?

b.Was there a difference between average death rates in metropolitan areas with low and high nitrous oxide potential in 1960?

c.Was there a change in mean July (maximum) temperatures between the data collections in 1960 and 2000? Use an appropriate 95% confidence interval to answer this question.

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