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calculated the variance, she got 0 as answer. The numbers she chose did not contain a single zero (0) as
value. What could be the possible reason for her answer?

a. The numbers are all even or all odd.
b. The numbers contain positi ve as well as negati ve numbers.
c. All numbers are same.

d. She used an incorrect formula.
3. Chetan was composing a report on diffferent approaches to AI. Which of the following will he not list as
a feature of No-Code AI platforms?
a. Drag-and-drop functi onality

b. Requires no programming knowledge
c. Allows full model customisati on

d. Pre-built templates for machine learning models
4. Amrita is an avid AI enthusiast. She loves reading about various aspects of AI and how to implement AI
models in everyday life activities. Which coding approach is characterised by combining visual elements
and knowledge of programming?
a. High Code AI b. Low Code AI

c. No-Code AI d. Mixed Code AI
Answers
1. (b) 2. (c) 3. (c) 4. (b)

H. Assertion and Reason-based questions.
In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Study both
the statements and give the answer as:

(a) if both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) if both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
(c) if Assertion is True but Reason is False.

(d) if Assertion is False but Reason is True.
1. Assertion (A): Data Science is only used in the IT industry.
Reason (R): Data Science involves data analysis, machine learning, and visualisation, which are applicable
in multiple domains like healthcare, finance, and marketing.
2. Assertion (A): NumPy arrays consume less memory and execute faster than Python lists.

Reason (R): NumPy arrays use contiguous memory locations, while lists store references.
3. Assertion (A): The matplotlib.pyplot library is a visualisation library in Python.
Reason (R): The matplotlib.pyplot library is mainly used for statistical modelling.

4. Assertion (A): High-Code AI offers more flexibility than Low-Code AI.
Reason (R): High-Code AI uses only fourth generation and fifth generation high-level programming
languages.
Answers

1. (d) 2. (a) 3. (c) 4. (b)

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