Exploratory Data Analysis in Python Practice Questions - Statistics

Question 1

What is the primary purpose of the National Survey of Family Growth (NSFG)?

Accepted Answer

A) To gather information on family life, marriage, and health

Answer

B) To track economic trends in the U.S.

Answer

C) To monitor environmental changes

Answer

D) To study educational outcomes

Question 2

Which Python library is used for representing and analyzing data in 'Think Stats'?

Accepted Answer

B) pandas

Answer

A) NumPy

Answer

C) SciPy

Answer

D) matplotlib

Question 3

What is the mode of the birth weight distribution in pounds for live births according to the NSFG data?

Accepted Answer

B) 7 pounds

Answer

A) 6 pounds

Answer

C) 8 pounds

Answer

D) 9 pounds

Question 4

Which of the following is NOT a step in the exploratory data analysis process as described in 'Think Stats'?

Accepted Answer

D) Creating fictional data

Answer

A) Importing and cleaning data

Answer

B) Single variable explorations

Answer

C) Pair-wise explorations

Question 5

What is the best way to handle outliers in a dataset according to 'Think Stats'?

Accepted Answer

C) Depends on domain knowledge and the analysis being performed

Answer

A) Always remove them

Answer

B) Ignore them

Answer

D) Replace them with the mean value