CASE STUDY CH - Oneonta



QUIZ 2

Stat 101

Quiz 2 Spring 2003

Course Component Value: [6] Name: __________________________

Instructions: Circle the letter corresponding to your response choice.

1) [2] Some airlines are exploring the possibility of charging passengers for meals, snacks, and drinks. A marketing researcher for one such airline has been assigned the task of assessing passenger satisfaction with this approach to food service. To do so, she interviews all passengers on 10 randomly selected flights. This would be an example of what type of sampling?

A) Stratified B) Systematic C) Cluster D) Convenience E) Simple Random Sample

2) [2] The key component in Probability Sampling is that:

A) Each unit has an equal likelihood of being selected

B) A formula is used to assure units are selected from throughout the population

C) All units of the population are included

D) Allows each unit an equal chance of receiving any treatment

3) [2] In the paper “Effects of Plant Density on Tomato Yields in Nigeria,” appearing in an issue of Experimental Agriculture, researchers reported on the effect of tomato variety and planting density on yield. Identify the:

Experimental units: ________________________

Response Variable: ________________________

Factor(s): ________________________________

f:Quiz 2 sp2003.doc

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