FREE CBDA Sourcing and Analyzing Data Questions and Answers

Question 1

A business data analyst is working for a financial institution to analyze potential credit card fraud.
The analyst has access to a large dataset of historical transactions.
Which analytical approach would be MOST effective for identifying transactions that are likely to be fraudulent?

Accepted Answer

Predictive Analytics

Answer

Descriptive Analytics

Answer

Diagnostic Analytics

Answer

Prescriptive Analytics

Question 2

A business analyst is tasked with understanding customer sentiment regarding a new product feature. They decide to collect data from social media platforms, online reviews, and customer support chat logs. This collection of data from various origins is best described as what?

Accepted Answer

Data Sourcing

Answer

Data Warehousing

Answer

Data Mining

Answer

Data Modeling

Question 3

When planning data collection, a business data analyst determines that they need to use both internal sales records and external market trend reports. Which of the following is the primary reason for using multiple data sources?

Accepted Answer

To gain a more comprehensive and accurate view of the business problem

Answer

To make the data cleansing process more challenging

Answer

To increase the volume of the dataset unnecessarily

Answer

To satisfy a stakeholder's request for more data

Question 4

During the data analysis phase of a project, a data analyst identifies a series of transactions with values that are 100 times larger than any other transaction in the dataset. These data points are best classified as:

Accepted Answer

Outliers

Answer

Noise

Answer

Features

Answer

Dependencies

Question 5

A data analyst is preparing a dataset for analysis. The 'customer address' column is a single field containing the street, city, state, and zip code. To make the data more useful for geographic analysis, the analyst splits this single column into four separate columns. This activity is a key part of which task?

Accepted Answer

Preparing Data

Answer

Formulating Research Questions

Answer

Collecting Data

Answer

Interpreting Results

Question 6

Which of the following data sources is an example of primary, internal data?

Accepted Answer

Customer feedback collected directly via a company-run survey

Answer

A publicly available government census report

Answer

A market research study purchased from a third-party firm

Answer

Sales data acquired from a partner organization's database