Direction: Determine whether the statement is null or alternative. And formulate the null and alternative hypothesis of the following. 1. A restaurant owner wanted to know if there is a relationship between gender and food preference. a. Null or Alternative (1 pt) b. Ho: (3 pts) c. Ha: (3 pts) 2. A faculty development committee chair wants to find-out if the in-service they organized contributed in the improvement of teacher's performance. a. Null or Alternative (1 pt) b. Ho: (3 pts) c. Ha: (3 pts) 3. A marketing manager wanted to determine if there is no difference in the weekly sales of three sales representatives. a. Null or Alternative (1 pt) b. Ho: (3 pts) c. Ha: (3 pts) 4. The owner of LED bulbs is interested in determining whether difference exists in the average sales for the four brands of bulbs. a. Null or Alternative (1 pt) b. Ho: (3 pts) c. Ha: (3 pts)