1. Determine whether each of the following is a null or an alternative hypothesis: -Drinking coffee daily does not affect heart attack risk -The average weight of two dogs is the same as the average weight of three cats. -The number of voters that are in favor for Candidate -A is higher than the number of voters for Candidate B. -The average price of meat in Pampanga is lower during summer than in rainy season. -A new teaching method is believed to be effective than the old teaching method.

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