Question: [4 marks] Design cracker experiment German public television often tes

Question

Question: [4 marks] Design cracker experiment German public television often tests various consumer products and gives recommendations. In one particular episode they wanted to find out whether expensive brands of crackers taste better. They drove to the nearest Autobahn food center and asked people coming by to taste several brands of crackers and to evaluate them on a rating of O to 10 (O being worst and 10 being best). Assume you have to conduct the test at a single Autobahn food center. Assume that you have 30 crackers of each of 4 brands (i.e. a total of 120 crackers). a) [2] Describe how you would conduct a completely randomized experiment that does not use blocking. b) [2] Describe how you would conduct a randomized complete block experiment.

Explanation / Answer

a)

select 120 people and give them one cracker each

b)

select 30 people and give then 4 crackers one of each type. for each participant randomize the order in which crackers are given

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

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