A random sample of 25 adult male wolves from the Canadian Northwest Territories gave an average weight x, = 97.8 pounds with estimated sample standard deviation s, = 6.3 pounds. Another sample of 29 adult male wolves from Alaska gave an average weight x, = 89.8 pounds with estimated sample standard deviation s, = 6.7 pounds. (a) Categorize the problem below according to parameter being estimated, proportion p, mean u, difference of means µ1 - H2, or difference of proportions p1 - P2. Then solve the problem. O H1 - 42 O p O P1 - P2

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.