AIS CHAPTER 7 TEST QUESTIONS WITH
COMPLETE ANSWERS { GRADED A+}
Exploratory Data Analysis - ✔✔an approach to examining data that seeks to
explore the data without testing formal models or hypotheses
outlier - ✔✔A data point that is distinctly separate from the rest of the data.
visualization, viz - ✔✔any visual representation of data such as a graph, diagram,
or animation
confirmatory data analysis - ✔✔testing a hypothesis and providing statistical
evidence of the likelihood that the evidence refutes or supports a hypothesis
null hypothesis - ✔✔a proposed explanation worded in the form of an equality,
meaning that one of the two concepts, ideas, or groups will be no different than the
other concept, idea, or group.
COMPLETE ANSWERS { GRADED A+}
Exploratory Data Analysis - ✔✔an approach to examining data that seeks to
explore the data without testing formal models or hypotheses
outlier - ✔✔A data point that is distinctly separate from the rest of the data.
visualization, viz - ✔✔any visual representation of data such as a graph, diagram,
or animation
confirmatory data analysis - ✔✔testing a hypothesis and providing statistical
evidence of the likelihood that the evidence refutes or supports a hypothesis
null hypothesis - ✔✔a proposed explanation worded in the form of an equality,
meaning that one of the two concepts, ideas, or groups will be no different than the
other concept, idea, or group.
