**APPLY LINK: MACHINE LEARNING & ARTIFICIAL INTELLIGENCE**

**Here are the answers of the quiz:**

**Question 1) Who coined the term AI?**

A. Herbert Simon

B. John Nash

**C. John McCarthy**

D. Marvin Minsky

**Question 2) What is AlphaGo?**

A. New programming language

**B. Google’s AI program that beat human Go player**

C. Initial version of Go language

D. IBM’s Deep Blue program that beat Kasporov in Chess

**Question 3) What is AI?**

**A. Simulation of human intelligence using artificial device**

B. Simulation of computer intelligence into Humans

C. Augmented intelligence

**Question 4) AI has nothing to do with?**

**Select one:**

A. Face Recognition

B. Siri

**C. Voice Recorder**

D. Google Search

**Question 5) What is Machine Learning ?**

A. Making Robots

B. Writing Intelligent Algorithm

**C. Making computer programs learn own from data**

D. Doing reasoning

**Question 6) What field of scientists are involved into developing Artificial intelligence?**

A. Physicists & Astrologers

**B. Mathematics, Engineering, Economics, Psychology**

C. Aerodynamics, Space and Computer Scientists

D. Doing reasoning

**Question 7) Which scientist first proposed various fields of AI?**

**A. Marvin Minsky**

B. John McCarthy

C. Herbert Simon

D. John Nash

**Question 8)** **Select all the options which are the correct way of naming a variable:**

**Select one or more:**

A. @x123

**B. _123**

**C. 12abc**

D. Abc_123

**Question 9)** **What is the output of the following:**

**X=True**

**type(X)**

**Select one:**

A. str

B. int

**C. Boolean**

D. error

**Question 10)** **What is the output of the following:**

**Select one:**

**A. str**

B. int

C. boolean

D. error

**Question 11)** **Which binary operator is used to find the remainder of a division operation:**

**Select one:**

A. /

B. //

C. %%

**D. %**

**Question 12)** **Consider a tuple a = (1,5,10). Which is the correct way of inserting a value of 4 between 1 and 5.**

**Select one:**

A. insert(5,4)

B. a[1] = 4

C. a.append(4)

**D. Not possible**

**Question 13)** **Consider a list: X = [1,2,3,4,5,6,7,8,9,10] Which is/are the correct way to get the output [7,8,9,10]**

**Select one or more:**

A. X[-4:-1]

B. X[7:10]

**C. X[6:]**

**D. X[6:11]**

**E. X[6:10]**

**Question 14)** **Consider a list: X = [1,2,3,4,5,6,7,8,9,10] Which is/are the correct way to get a list of 3,6,9**

**Select one or more:**

**A. X[2:9:3]**

**B. list((X[2],X[5],X[8]))**

**C. X [-2:-9:-3][::-1]**

**D. [X[2],X[5],X[8]]**

**Question 15)** **Consider a list X = [2,4,6,8]. Which of the following commands would result in [4, 8, 12, 16]**

**Select one or more:**

**A. [value*2 for _, value in enumerate(X)]**

**B. X * 2**

C. [value*2 for value in X]

**D. list(map(lambda a : a * 2, X))**

**Question 16)** **Consider a series: X = pd.Series([1,2,3,4]) Which of the following is/are the correct way(s) of accessing the second element?**

**Select one:**

A. X[1]

B. X.loc[1]

C. X.iloc[1]

**D. All of the above**

**Question 17)** **Two events are mutually exclusive if:**

**Select one:**

A. P(A ∩ B) = 0

B. P(A|B) =0

C. P(B|A) =0

**D. All of the above**

**Question 18)** **The expected value of a random variable, which is the center of a distribution is also known as**

**Select one:**

A. Median

**B. Mean**

C. Mode

D. None of the above

**Question 19)** **Marginal probability of an event comprises of joint probabilities of events that are**

**Select one:**

A. Independent

B. Mutually exclusive

C. Collectively exhaustive

**D. Mutually exclusive and Collectively exhaustive**

**Question 20)** **If an outcome of an event X is not impacted by the outcome of another event Y, then**

**Select one:**

**A. X and Y are Statistically Independent**

B. X and Y are Mutually exclusive

C. X and Y are a part of Bayesian Inference

D. None of the above

**Question 21)** **Computation of ___ is used to summarize a categorical variable.**

**Select one:**

a. Standard deviation

**b. Frequency**

c. Mean

d. Variance

**Question 22)** **Rows in a dataset suggests:**

**Select one:**

a. Features

**b. Objects**

c. Attributes

d. Dimensions

**Question 23)** **Type of graph used to represent the relationship between two features of a dataset:**

**Select one:**

a. Bar graph

**b. Scatter Plot**

c. Histogram

**Question 24) What defines the normal distribution of a variable?**

**Select one:**

a. Frequency of the variable

b. Variance

**c. Mean and standard distribution**

d. Mean and Variance

**Question 25)** **The graph used to represent the trend of students attending the video lecture from 2nd January to 10th January is ____**

**Select one:**

a. Histogram

**b. Scatter plot**

c. Bar Graph

**Question 26**) **What is the mean and standard deviation of a standard normal distribution?**

**Select one:**

a. mean = 1, standard distribution =0

b. mean = 10.2, standard distribution = 6.7

**c. mean = 0, standard distribution =1**

d. mean = 2.8, standard distribution = 3

**Question 27)** **Consider one dimensional data set with variable X =[4,4,4,4,4,4,4] . What is the standard deviation of X?**

**Select one:**

a. One

**b. Zero**

c. Two

d. Three

**Question 28)** **Which plot is the best fit for the depiction of Linear regression?**

**Select one:**

a. Bar plot

b. Scatter Plot

**c. Histogram**

d. None of the above

**Question 29)** **Regression models are also said to be _________ models.**

**Select one:**

**a. Interpretable**

b. Noninterpretable

**Question 30)** **Which of the following is an example of unsupervised learning?**

**Select one:**

**a. Given a set of news articles found on the web, group them into set of articles about the same story**

b. Given email labeled as spam/not spam, learn a spam filter

c. Both A & B

d. Neither A nor B