# Community practice quiz

Data Wrangling
#1

  1. What are the different types of attributes ?
    a. Nominal
    b. Ordinal
    c. Spacial
    d. All the above

  2. What are some examples of data quality problems ?
    a. Noise and outliers
    b. Duplicate Data
    c. Missing Values
    d. All the above

  3. Which method is used for encoding the categorical variables ?
    a. LabelEncoder
    b. OneHotEncoder
    c. CategoryEncoder
    d. All the above

  4. Some of the Imputation methods are:
    a. Imputation with mean/median
    b. Imputing with random numbers
    c. Imputing with one
    d. All the above

  5. Which of the following is/are feature scaling techniques ?
    a. Standardization
    b. Normalization
    c. Min Max Scaling
    d. All the above

4 Likes
#2

1 . d
2 . d
3 . a
4 . a
5 . d

3 Likes
#3

1-d
2-d
3-c
4-a
5-c
answers

3 Likes
#4

1 . d
2 . d
3 . c
4 . a
5 . c

3 Likes
#5

1.- d
2.- d
3.- c
4.- a
5.- d

3 Likes
#6

Q.1 - d - All the above
Q.2 - d - All the above
Q.3 - a - Label Encoder
Q.4 - a - Imputation with mean/median
Q.5 - d - All the above

3 Likes
#7

1.d
2.d
3.c
4.a
5.c
answers

3 Likes
#8

1 ans=d
2 ans=d
3 ans=d
4 ans=d
5 ans= d