PSY 550 Final Exam Question and
Answers| Graded A+
Big Data is often described by the four Vs: - Answer-volume,
velocity, veracity, and variety
Which data approach attempts to assign each unit in a population
into a small set of classes (or groups) where the unit best fits? -
Answer-Classification
Which data approach attempts to identify similar individuals based
on data known about them? - Answer-Similarity matching
Which data approach attempts to predict connections between
two data items? - Answer-Link prediction
Which of these terms is defined as being a central repository of
descriptions for all of the data attributes of the dataset? - Answer-
Data dictionary
Skills that analytic-minded accounts should have: - Answer-o
Developed analytics mindset
o Data scrubbing and data preparation
o Data Quality
o Descriptive Data Analysis
o Data Analysis through Data Manipulation
o Statistical data analysis competency
o Data Visualization and Data Reporting
IMPACT cycle - Answer-Step 1: Identify the Question
Step 2: Master the Data
Step 3: Perform Test Plan
Step 4: Address and Refine Results
