ML Quiz 2

ML Quiz 2

11th Grade - Professional Development

23 Qs

quiz-placeholder

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ML Quiz 2

ML Quiz 2

Assessment

Quiz

Computers

11th Grade - Professional Development

Hard

Created by

Anik Chowdhury

Used 19+ times

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Classification accuracy alone can be misleading if you have ________ number of observations in each class.

A equal

A correct

A wrong

An unequal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The confusion matrix visualizes the ____ of a classifier by comparing the actual and predicted classes.

Connectivity

Comparativity

Accuracy

Stability

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

We have a data-set where we are predicting number of people who have more than $1000 in their bank account. Consider a data-set with 200 observations i.e. n=200 from the above matrix

Out of 200 cases, our classification model predicted “YES” 125 times, and “NO” 65 times.

Out of 200 cases, our classification model predicted “YES” 135 times, and “NO” 60 times.

Out of 200 cases, our classification model predicted “YES” 135 times, and “NO” 65 times.

Out of 200 cases, our classification model predicted “YES” 135 times, and “NO” 5 times.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

From the above Table

In reality, there are totally 125 accounts who have a balance more than $1000 and 10 accounts with balance - less than $1000

In reality, there are totally 60 accounts who have a balance more than $1000 and 70 accounts with balance - less than $1000

In reality, there are totally 135 accounts who have a balance more than $1000 and 70 accounts with balance - less than $1000

In reality, there are totally 130 accounts who have a balance more than $1000 and 70 accounts with balance - less than $1000

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Machine learning classification metrics like “Accuracy” give ___ useful information.

More

Less

Perfect

Accurate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

High entropy means that the partitions in classification are

Not pure

Useful

Pure

Useless

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A confusion matrix is used for classification tasks where the output of the algorithm is in ……. class/classes

Two

More than three

One

Two or more

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