4.4.5.Practice Quiz Numpy - sj50179/IBM-Data-Science-Professional-Certificate GitHub Wiki

TOTAL POINTS 4

Question 1

What is the Python library used for scientific computing and is a basis for Pandas?

• Requests
• datetime
• Numpy
• Tkinter

Correct

Question 2

What attribute is used to retrieve the number of elements in an array?

• a.size
• a.ndim
• a.shape
• a.dtype

Correct

Question 3

How would you change the first element to "10" in this array c:array([100,1,2,3,0])?

• c[0]=10
• c[1]=10
• c[4]=10
• c[2]=10

Correct

Question 4

What attribute is used to return the number of dimensions in an array?

• a.size
• a.dtype
• a.ndim
• a.shape

Correct