Data Mastery Quiz

Question 1

Which type of statistics uses probability and is suitable to generalize a large data set?

Accepted Answer

Inferential statistics

Answer

Descriptive statistics

Answer

Both Descriptive statistics and Inferential statistics

Answer

Statistics is not used for this task

Question 2

Which of these actions identifies data properties?

Accepted Answer

Data mining

Answer

Data wrangling

Answer

Data cleaning

Answer

Both Data wrangling and Data mining

Question 3

What does "data science" primarily involve?

Accepted Answer

Both Data collection and Data analysis

Answer

Data collection

Answer

Data analysis

Answer

Data visualization

Question 4

Which of the following is a popular programming language used in data science?

Accepted Answer

Python

Answer

HTML

Answer

CSS

Answer

JavaScript

Question 5

Why do you sample data for data analysis?

Accepted Answer

To select a representative subset of data

Answer

To increase the dataset size

Answer

To decrease the dataset size

Answer

To decrease dimensionality

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