# Design of experiments: Quiz

Question 1: However, in statistics, these terms are usually used for ________.
ExperimentInteraction (statistics)Statistical unitRandomized controlled trial

Question 2: The average error is zero; the standard deviations of the ________ of the errors is the same number σ on different weighings; and errors on different weighings are independent.
Normal distributionStudent's t-distributionDiscrete probability distributionProbability distribution

Question 3: This was a concept which played a central role in the development of ________ by Genichi Taguchi, which took place during his visit to Indian Statistical Institute in early 1950s.
Ronald FisherInteraction (statistics)Taguchi methodsBayesian experimental design

Question 4: Today, the theory rests on advanced topics in ________, algebra and combinatorics.
Eigenvalue, eigenvector and eigenspaceLinear algebraVector spaceMatrix (mathematics)

Question 5: See ________ for the distinction between these types of experiments or studies.
Statistical unitInteraction (statistics)Randomized controlled trialExperiment

Question 6: The weights of eight objects are to be measured using a ________ and set of standard weights.
MassMeasuring instrumentWeighing scaleForce

Question 7: As an example, he described how to test the ________ that a certain lady could distinguish by flavour alone whether the milk or the tea was first placed in the cup.
Scientific methodEmpiricismHypothesisPlato

Question 8: Analysis of the design of experiments was built on the foundation of the ________, a collection of models in which the observed variance is partitioned into components due to different factors which are estimated and/or tested.
Analysis of varianceMultiple comparisonsRonald FisherDesign of experiments

Question 9: [5][6] A pioneering ________ for polynomial regression was suggested by Gergonne in 1815.
Optimal designResponse surface methodologyTaguchi methodsBayesian experimental design

Question 10: Kishen in 1940 at the ________, but remained little known until the Plackett-Burman designs were published in Biometrika in 1946.
Jadavpur UniversityIndian Statistical InstituteScottish Church College, CalcuttaPresidency College, Kolkata