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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common method for handling missing data?
a) Deleting the entire dataset
b) Ignoring the data completely
c) Imputing with mean/median/mode
d) Changing data type
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. What function in Excel can be used to identify duplicates?
a) UNIQUE
b) ISERROR
c) REMOVE
d) FIND
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Which of the following is not a type of missing data?
)
a) MCAR (Missing Completely At Random)
b) MAR (Missing At Random)
c) MNAR (Missing Not At Random
d) MOUT (Missing Outlier)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Which statistical method is commonly used to detect outliers?
a) mean
b) Median
c) Standard deviation
d) Interquartile Range (IQR
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. What happens if you ignore missing data in your dataset?
a) Better accuracy
b) Biased results
c) Faster processing
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Which Excel feature helps you highlight duplicates easily?
a) Data Validation
b) Conditional Formatting
c) Filter
d) Pivot Table
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Which of the following is NOT a method for handling duplicates?
a) Removing
b) Summarizing them
c) Duplicating them further
d) Merging them
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