Statistics: Quiz


Question 1: (See ________.)
Correlation does not imply causationBegging the questionPost hoc ergo propter hocAmbiguity

Question 2: In addition, patterns in the data may be modeled in a way that accounts for randomness and uncertainty in the observations, and are then used to draw inferences about the process or population being studied; this is called ________.
George E. P. BoxRegression analysisStatistical inferenceRonald Fisher

Question 3: For example, one study may suggest that a given diet or activity raises ________, while another may suggest that it lowers blood pressure.
VasodilationRenin-angiotensin systemCirculatory systemBlood pressure

Question 4: A common goal for a statistical research project is to investigate ________, and in particular to draw a conclusion on the effect of changes in the values of predictors or independent variables on dependent variables or response.
AristotleCausalityDeterminismImmanuel Kant

Question 5: Planning the research, including determining information sources, research subject selection, and ________ considerations for the proposed research and method.

Question 6: The ________ refers to finding that an outcome (in this case, worker productivity) changed due to observation itself.
Uncertainty principleMotivationPlaceboHawthorne effect

Question 7: The researchers were interested in determining whether increased illumination would increase the productivity of the ________ workers.
Assembly lineEngineeringManufacturingTransport

Question 8: Statistics is considered by some to be a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data,[4] while others consider it to be a branch of mathematics[5] concerned with collecting and interpreting ________.
Correlation and dependenceDataExperimentStatistical graphics

Question 9: The method of least squares was first described by ________ around 1794.
Isaac NewtonCarl Friedrich GaussJean le Rond d'AlembertBenjamin Franklin

Question 10: In this case, the researchers would collect observations of both smokers and non-smokers, perhaps through a ________, and then look for the number of cases of lung cancer in each group.
Epidemiological methodsBlind experimentEpidemiologyCase-control study

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