BSCS 4-2 - Quiz # 1 - Elective 3 (Intro to Data Science)

What is not part of the data flow in supporting decision making?

• Data Question

• Data Preparation

• Data Decision

• Business Analysis

Which of the following best describes the principal goal of data science?

• To collect and archive exhaustive data sets from various source systems for corporate record keeping uses

• To mine and analyze large amounts of data in order to uncover information that can be used for operational improvements and business gains

• To collect and prepare data for use as part of analytics applications

• None of the mentioned

Which of the following are an example of Continuous Quantitative Data?

• Time and Height

• Observations and Time

• Time and Errors

• Observations and Time

Data Science is related to the following statements below, except:

• Statistics

• Machine Learning

• Cybersecurity

• Data Mining

What is the first step in the data science process?

• Collecting data and preparing it for analysis

• Learn and optimize data

• Experimenting with and tuning different analytical models

• Defining an analytical hypothesis that could provide business value

Which of the following programming languages are most widely used by data scientists?

• C and C++

• Python, R and SQL

• Java and JavaScript

• PASCAL and COBOL

Which of the following statements are correct why do we need to prepare data?

• Because data might be invalid

• Because data might need to be transformed

• Because data might have outliers or bias

• All of the above

What do we typically store on the rows of a table?

• Variables

• Relationships

•  Observations

• Queries

What do we typically store on the columns of a table?

• Variables

• Relationships

• Observations

• Queries

Which of the following is characteristic of Processed Data?

• Hard to use for data analysis

• All steps should be noted

• Data is not ready for analysis

• None of the mentioned