statistics

Written Homework # 2

I have attempted this assignment honestly and the material submitted is my own work. I have only worked with the other group members listed on this page. I have not copied from any source, and cited any materials I have used outside of lecture notes and the textbook.

Names: Signatures:

Chapter Objectives (Chapters 11 and 12): Design a survey that minimizes bias, and recognize remaining bias.

Design an experiment and discuss its components.

Due Date: Monday, July 17

Statistics Summer 2017

1 We are interested in doing a survey of people living in Seattle to find out how ‘outdoorsy’ the population is.

(a) Design a survey of at least 5 questions that will help you measure this information.

(b) Decide on an appropriate and feasible sampling strategy.

(c) Give reasons for your choices and identify any possible remaining bias in your survey.

2 We are interested in studying the effects of caffeine on math test-performance by Shoreline Community College Students.

(a) Design an experiment that we could use to test this.

(b) Discuss the factors, levels, treatment, variables involved in this experiment.

(c) Decide what blocking method would be suitable for this experiment.

(d) Are any blinding or placebo techniques appropriate? If so, how?

(e) Draw a blocking diagram for your experiment.

(f) Note any confounding or lurking variables in your experiment.

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