Page 190 - Touhpad Ai

Unsolved Questions
SECTION A (Objective Type Questions)
AI QUIZ
A. Tick ( ) the correct option.

1. Which of the following visualises pairwise relationships between multiple variables?
a. Histogram b. Box Plot

c. Scatter Plot Matrix (SPLOM) d. Bar Chart

2. Which of the following is NOT a common type of chart in Excel?
a. Bar Chart b. Pie Chart
c. Histogram d. Flowchart

3. What is the use of the =LOWER () function in Excel?
a. Converts text to lowercase b. Removes duplicates

c. Capitalizes the first letter of each word d. Calculates percentages

4. Identify the other name for a Radar chart.
a. Line chart b. Spider chart
c. Bar chart d. Histogram

5. Which visualization is used for hierarchical data where rectangles represent variables in proportion to their
values?
a. Line chart b. Scatter Plot

c. Treemap d. Pie Char

6. The Remove Duplicates option can be found under which tab in Excel?
a. Home b. Insert
c. Data d. View

7. What does missing data in a dataset refer to?
a. Data points that are unusually large or small b. Values that are absent from the dataset

c. Identical data entries d. Data with inconsistent formats

8. Which technique is used to handle the curse of dimensionality?
a. Feature scaling b. Dimensionality reduction

c. Data augmentation d. Data encoding
9. What term refers to the number of variables or features used to represent an observation or object?

a. Variability b. Complexity
c. Volume d. Dimensionality

10. Which plot is used to represent three variables on three axes, sometimes adding colour or size for a fourth
variable?
a. 2D line chart b. 3D scatter plot

c. Parallel Coordinates Plot d. Pie chart

188 Touchpad Artificial Intelligence - XI