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Question 16 Here is a preview of the DataFrame containing sessions for a web app. DEVICE active login.id MOBILE yes 12347 b DESKTOP no 11821 Complete the code to return the output. al'device' at 1.applyiste.capitalize printi S b DEVICE active login.id device. MOBILE yeu 12347 Mobile 11821 Desktop DESKTOP A (B "device" (С DEVICE D "DEVICE Question 17 Give the resulting value when the following code is run. r=5 V-4/3 (math.pl (3) print (V) Note: Provide the answer in 4 significant figures. Your Answer: 523.6 Question 18 Which of the following functions is used to convert a list to an array? A np() (B) numpy array() D) listo Question 19 Titles are automatically generated by the show() function. T True (F) False Question 20 What is the syntax used in replacing NaN values with zeros in a dataset? Select all that applies. A notna(0) (B) replace(np.nan, 0) C dropna(0) D fillna(0)

Question 16 Here is a preview of the DataFrame containing sessions for a web app. DEVICE active login.id MOBILE yes 12347 b DESKTOP no 11821 Complete the code to return the output. al'device' at 1.applyiste.capitalize printi S b DEVICE active login.id device. MOBILE yeu 12347 Mobile 11821 Desktop DESKTOP A (B "device" (С DEVICE D "DEVICE Question 17 Give the resulting value when the following code is run. r=5 V-4/3 (math.pl (3) print (V) Note: Provide the answer in 4 significant figures. Your Answer: 523.6 Question 18 Which of the following functions is used to convert a list to an array? A np() (B) numpy array() D) listo Question 19 Titles are automatically generated by the show() function. T True (F) False Question 20 What is the syntax used in replacing NaN values with zeros in a dataset? Select all that applies. A notna(0) (B) replace(np.nan, 0) C dropna(0) D fillna(0)

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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C question 16-20 please check my answer, if is correct especially in number 20, thank tou
Question 16 Here is a preview of the DataFrame containing sessions for a web app. DEVICE active login.id MOBILE yes 12347 b DESKTOP no 11821 Complete the code to return the output. el'device'l-at.... 1.applylate.capitalize) print fel DEVICE active login.id device. MOBILE yea 12347 Mobile DESKTOP DO 11821 Desktop "DEVICE' Question 17 Give the resulting value when the following code is run. r = 5 V=4/3* (math.pl (3)) print (V) Note: Provide the answer in 4 significant figures. Your Answer: 523.6 Question 18 Which of the following functions is used to convert a list to an array? A np() B numpyo Carray() (D) list) Question 19 Titles are automatically generated by the show() function. True (F) False Question 201 What is the syntax used in replacing NaN values with zeros in a dataset? Select all that applies. A notna(0) (B) replace(np.nan, 0) (C) dropna(0) D fillna(0) a b A) device (B) "device (C) DEVICE
Transcribed Image Text:Question 16 Here is a preview of the DataFrame containing sessions for a web app. DEVICE active login.id MOBILE yes 12347 b DESKTOP no 11821 Complete the code to return the output. el'device'l-at.... 1.applylate.capitalize) print fel DEVICE active login.id device. MOBILE yea 12347 Mobile DESKTOP DO 11821 Desktop "DEVICE' Question 17 Give the resulting value when the following code is run. r = 5 V=4/3* (math.pl (3)) print (V) Note: Provide the answer in 4 significant figures. Your Answer: 523.6 Question 18 Which of the following functions is used to convert a list to an array? A np() B numpyo Carray() (D) list) Question 19 Titles are automatically generated by the show() function. True (F) False Question 201 What is the syntax used in replacing NaN values with zeros in a dataset? Select all that applies. A notna(0) (B) replace(np.nan, 0) (C) dropna(0) D fillna(0) a b A) device (B) "device (C) DEVICE
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