Chp 12

Question 1

Which learning method requires labeled data for training?

Answer 1

Supervised Learning

Question 2

What distinguishes predictive analysis from exploratory analysis?

Answer 2

Predictive analysis makes predictions about future trends.

Question 3

Order the steps in predictive analysis

Answer 3

1. Data Exploration
2. Feature Engineering
3. Model Building
4. Model Training
5. Model Evaluation

Question 4

Which method of data analysis is typically the first step in understanding a new dataset?

Answer 4

Exploratory analysis

Question 5

What are the examples of supervised learning tasks?

Answer 5

• classification
• regression

Question 6

The output of the following code will be:

class Ilist:
head = 0
tail = 0
def init(self, num_list):
self.head = num_list[0]
self.tail = num_list[-1]

def set_head(num_list):
head = num_list[0]

t_list = Ilist([1,2,3])
Ilist.set_head([4,5,6])
print(Ilist.head)

Answer 6

0

Question 7

In the following python code:
Which of the following will give an output of

OTM

Answer 7

print(new_emp.getDept())

print(new_emp.dept)

Question 8

In the following python code:
Which of the following will give an output of

Houston, TX

Answer 8

print(UTEmployee.getAddress())

Question 9

What is a benefit of using a programming language that has a large library?

Answer 9

Many classes are already defined and can be used without have to re-define them.

Question 10

What is the difference between object-oriented programming and procedural programming?

Answer 10

Procedural programming specifies a sequence of tasks, but object-oriented programming describes the properties of tools or items.