chapter 1 MCQ
Big Data is often described by the three Vs, or a. Volume, velocity, and variability b. Volume, velocity, and variety c. Volume, volatility, and variability d. Variability, velocity, and variety
B. Volume, Velocity, and variety
Which approach to Data Analytics attempts to assign each unit in a population into a small set of classes where the unit belongs? a. Classification b. Regression c. Similarity matching d. Co-occurrence grouping
a. Classification
The IMPACT cycle includes all except the following process: a. Visualize the data b. identify the questions c. master the data d. track outcomes
a. Visualize the data
The IMPACT cycle includes all except the following process: a. Communication insights b. Data preparation c. Address and refine results d. Perform test plan
b. Data preparation
By the year 2020, about 1.7 megabytes of new information will be created every: a. Week b. Second c. Minute d. Day
b. Second
Which skills were not emphasized that analytic-minded accountants should have? a. Develop an analytics mindset b. Data scrubbing and data preparation c. Classification of test approaches d. Define and address problems through statistical data analysis
c. Classification of test approaches
Which of these terms is defined as being a central repository of descriptions for all of the data attributes of the dataset? a. Big Data b. Data warehouse c. Data dictionary d. Data analytics
c. Data dictionary
Which approach to Data Analytics attempts to predict relationships between two data items? a. Profiling b. Classification c. Link prediction d. Regression
c. Link prediction
Which approach to Data Analytics attempts to identify similar individuals based on data known about them? a. Classification b. Regression c. Similarity matching d. Data reduction
c. Similarity matching
Which skills were not emphasized that analytic-minded accountants should have? a. Data quality b. Descriptive data analysis c. Data visualization d. Data and systems analysis and design
d. Data and systems analysis and design