Below is data from a sample of elected presidents and their main opponent in the same year. Is there sufficient evidence (at significance level=0.05) to show that president elects are taller than the losing candidate? Ht of President (cm): 189 173 183 180 179 184 184 Ht of opponent (cm): 170 180 175 180 177 180 179 1. H^0: ? 2. H^1: ? 3. Critical value(s):? 4. Graph rejection regions with labelled critical value(s) 5. Test statistic: State what test stat is being used (z, t, etc.) the formula being used, and what values are substituted into the formula.  6. P-value ? 7. State the conclusion of the test in the context of the problem (for example, not just "reject null", but what does it mean for this specific problem):

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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.