APCSP Data and Analysis 1

Question 1

What is the primary purpose of data visualization?

Accepted Answer

To analyze data trends and patterns

Answer

To encrypt sensitive data

Answer

To store large datasets efficiently

Answer

To clean and preprocess raw data

Question 2

Which of the following best describes the concept of a "data structure" in computer science?

Accepted Answer

A way to organize and store data for efficient access

Answer

A method to encrypt data

Answer

A technique for visualizing large datasets

Answer

A model for predicting future data

Question 3

What does "big data" refer to in the context of data analysis?

Accepted Answer

Large, complex datasets that require specialized tools for processing and analysis

Answer

Small datasets used for quick analysis

Answer

Data that has been cleaned and preprocessed

Answer

Data that is stored in a local database

Question 4

In the context of analyzing data, what is the purpose of statistical measures like mean, median, and standard deviation?

Accepted Answer

To summarize and describe key features of the data

Answer

To visualize the data using charts and graphs

Answer

To store the data more efficiently

Answer

To clean and preprocess raw data

Question 5

Which of the following is an example of a data analysis technique used to find relationships between variables?

Accepted Answer

Running a regression analysis to identify correlations

Answer

Sorting the data in ascending order

Answer

Encrypting the data for security

Answer

Storing data in a compressed format