Do not write on this exam Use this information to answer the next two questions.

Question

Do not write on this exam Use this information to answer the next two questions. Junky's Fast Food has restaurants in Atlanta, Boston, and Chicago. They conducted a survey by taking a random sample in each city. Combining the data, they found that the average amount spent by all sampled customers was $8.52 72. What type of study is this? A. A randomized controlled experiment B. A randomized block experiment C. An observational study based on a stratified random sample D. An observational study based on a simple random sample E. An observational study based on a multi-stage sample F. An observational study based on a convenience sample 73. What is the parameter of interest? The number of respondents in the sample who prefer Junky's B. The mean amount spent by Junky's customers in the three cities C. The average number of residents in the three cities who eat at Junky's D. All residents of the three cities A.

Explanation / Answer

73. Parameter of interest is

B. The mean amount spent by Junky's customers in the three cities.

72. Type of study is

D. An observational study based on a simple random sample

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.