The city council is considering a law that would ban smoking in all public parks. A sample has been selected from the community and tested for support of the ordinance.   Age     Support for Ban Less than 40 40+   Supports Ban 145 (58.5%) 78 (31.6%) 223 (45.1%) Against Ban 103 (41.5%) 169 (68.4%) 272 (54.9%)   248 (100%) 247 (100%) 495 (100%) a. How many degrees of freedom are there in this table?   b. How many cells are in this table?   c. Based on the column percents, what is the strength and direction of the relationship between age and support for anti-smoking laws? How did you determine these results?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.