DEPARTMENT OF STATISTICS, THE UNIVERSITY OF BRITISH COLUMBIA

STAT 300 – Fall 2016 – Assignment # 2

(Answers need to be accompanied by the cover sheet provided in the course website.)

(1) (18 marks) Read the first three sections of the following article:

We restrict attention here to “study 3” in the article. Familiarise yourself with that study.

(a) Describe briefly but clearly the motivation for the study.

(b) Describe what you can about the experimental conditions in the study.

(c) Define clearly the response variable.

(e) Which effects, if any, did the researchers conclude affect the response for this study?

(g) Perform an analysis of variance on the data provided. Summarise your conclusions clearly.

67, | 15, | 19, | 55, | 49, | 101, | 4, | 13, | 83, | 10, |

112, | 2, | 3, | 53, | 12, | 28, | 10, | 37, | 12, | 148. |

(d) Use your EBD to find a 95% bootstrap confidence interval for the mean. Describe your