Intro to Data for Data Science Quiz

1. What do we use to describe observations of our world?

data

technology

science

mathematics

2. Which of the following steps is part of the data-driven decision-making process?

Communicate the results

Make a profit

Summarize our findings

Take action

3. Which of the following is one of the two main types of data?

Binary

Symbolic

Categorical

Instrumental

4. Which of the following is one of the four subtypes of data?

Mathematical

Nominal

Binary

Symbolic

5. Which of the following is a scalar data type?

Integer

Vector

Graph

Table

6. Which of the following is a composite data type?

Boolean

Table

Decimal

Date/Time

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

Relationships

Variables

Queries

Observations

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

Queries

Observations

Relationships

Variables

9. Which of the following is a step in the data life cycle?

Hypothesis

Collection

Refactoring

Regeneration

10. The purpose of feedback in the data life cycle is what?

Continuous improvement

Avoiding bias

Eliminating outliers

Refactoring solutions