STA 442/2101
Fall 2015
Quiz 11
12/4/2015
Time Limit: 20 min
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1. (2 points) In two sentences or less, explain how censored data is different from other types of
missing data.
Solution
STA 442/2101
Fall 2015
Quiz 1
9/25/2015
Time Limit: 20 min
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Check one: STA442 STA2101
1. (2 points) Suppose that the square matrices A and B both have inverses.
Prove that (AB)1 = B1 A1 . One direction is fin
STA 442/2101
Fall 2015
Quiz 3
10/9/2015
Time Limit: 10 min
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Check one: STA442 STA2101
1. (3 points) Consider a two-parameter Weibull distribution
with parameters (2, ) - so really a
one-parameter Weibull. The
STA 442/2101
Fall 2015
Quiz 5
10/23/2015
Time Limit: 20 min
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Check one: STA442 STA2101
1. (5 points) Consider an experiment where three different Fuels cfw_Discount, Regular, Premium
are used in a test car, d
STA 442/2101
Fall 2015
Quiz 8
11/13/2015
Time Limit: 20 min
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Check one: STA442 STA2101
1. (8 points) In a clinical trial, the effectiveness of a Drug was studied in a factorial experiment
along with the metho