aiml fast track day2

What is the correct syntax to print the number 8 from the array below:

arr = np.array([[1,2,3,4,5], [6,7,8,9,10]])

• print(arr[1, 2])

• print(arr[7, 2])

• print(arr[3, 0])

• print(arr[7, 0])

What is the correct syntax to create an array of type float?

• arr = np.array([1, 2, 3, 4], dtype='f')

• arr = np.float([1, 2, 3, 4])

• arr = np.array([1, 2, 3, 4]).toFloat()

• arr = np.array.float([1, 2, 3, 4])

What is the correct syntax to add the labels "x", "y", and "z" to a Pandas Series?

• pd.Series(mylist, labels = ["x", "y", "z"])

• pd.Series(mylist, names = ["x", "y", "z"])

• pd.Series(mylist, index = ["x", "y", "z"])

What is the correct Pandas function for loading CSV files into a DataFrame?

• read_file()

• ReadFile()

• read_csv()

• ReadCSV()

For the Pandas head() method, how many rows are returned by default, if you do not specify it?

• 10

• 5

• 0

• 1