1. **State the problem:** Determine if each question is a statistical question. 2. **Definition:** A statistical question is one where the answer involves more than one data value, meaning it requires collecting data from multiple individuals or instances. 3. **Analyze each situation:** - (a) Ann asked ninety people in Boston, "What is your mass in kilograms?" Since Ann asked multiple people, this is a statistical question. - (b) Yolanda asked Alan, "How many hours of sleep did you get last night?" Only one person is asked, so this is not a statistical question. - (c) Latoya asked a person in her town, "How many phone calls did you make yesterday?" Only one person is asked, so this is not a statistical question. - (d) Bob asked several of his friends, "How many glasses of water did you drink yesterday?" Multiple people are asked, so this is a statistical question. - (e) Joe asked his classmates, "What was the amount of money that you spent on food last week?" Multiple people are asked, so this is a statistical question. 4. **Summary:** (a) Yes (b) No (c) No (d) Yes (e) Yes This is because statistical questions require data from multiple sources to analyze variability or patterns.