Research design is a blue print, outline and a ........

1 If we took the 500 people attending a school in New York City, divided them by gender, and then took a random sample of the males and a random sampling of the females, the variable on which we would divide the population is called the ........ 2 Which of the following statements are correct about an array?1. The array int num[26]; can store 26 elements.2. The expression num[1] designates the very first element in the array.3. It is necessary to initialize the array at the time of declaration.4. T 3 The university book shop selects 200 of its more than 8000 customers to participate in a study on service quality in the shop. The book Shop has established a __________ for use in its research. 4 Greg Beck of Quality Market Research tells placement student John to go out and select for personal interview ten men and ten women. Greg is using ........ sampling for this phase of the research. 5 Find out which part of a sentence has an error.The items I liked most (l)/ were the rosewood carvings (2)/ and the teak-wood furnitures of Dutch design (3)/ No error. (4).