Consider the surveys designed in the following cases. Determine which cases have nonsampling errors and which cases have sampling errors. I. A university vice-president wants to conduct a study regarding the achievement of undergraduate students. He selects an SRS of 30 students and administers his survey. II. A shopper in a supermarket examines an SRS of 10 tomatoes from a crate and purchases the crate if all 10 tomatoes are satisfactory. III. Suppose you conduct a survey regarding students' study habits. From a compete list of students from the register office, you obtain an SRS of 50 students. The survey question is "How many hours do you study?" IV. The owner of a fast foods wishes to open a new restaurant in a town. Before opening the restaurant, the owner would like to know the percentage of households in the town that regularly visit a restaurant. She obtains a list of households in the town and randomly select 100 of them. She mails a questionnaire to the 100 households that asks about foods eating habits and flavor preferences. Of the 100 questionnaires mailed, 29 are returned. V. The mayor of a city wishes to conduct a study regarding the income level of households within the city. He randomly selects 50 homes in the town and sends an interviewer to the homes to determine household income. Group of answer choices I, II, V have nonsampling errors; III, IV have sampling errors. I, II, III have sampling errors; IV, V have nonsampling errors. I, V have sampli