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WGU Foundations of Computer Science Sample Questions:

1. Which method converts the default smallest-to-largest index order of a list to instead be the opposite?

A) reverse()
B) sortDescending()
C) flip()
D) invert()

2. print(20 # 5)
What will the output be of this line?

A) no output
B) 20 + 5
C) Syntax Error
D) #25

3. What Python code would return the value 40 from np_2d, where np_2d = np.array([[1, 2, 3, 4], [10, 20, 30,
40]])?

A) np_2d[0, 4]
B) np_2d[3, 1]
C) np_2d[4, 1]
D) np_2d[1, 3]

4. Given the following code, what is the expected output?

A) array([10, 20, 30, 40])
B) [1, 10]
C) [1, 2, 3, 4]
D) [10, 20, 30, 40]

5. What statistical measure can be used to detect outliers in a dataset using NumPy?

A) Mode
B) Standard deviation
C) Median absolute deviation
D) Variance

Solutions: