Icebreaker

Which of the following is a statistical measure of central tendency?

• Standard deviation

• Variance

• Median

• Interquartile range

What does the term "skewness" refer to in statistics?

• The measure of the spread of data values

• The measure of the symmetry of a distribution

• The measure of the central tendency of a dataset

• The measure of the dispersion of a dataset

Which of the following is used to measure the strength and direction of the linear relationship between two variables?

• Standard deviation

• Covariance

• Median

• Correlation coefficient

What is the purpose of the` __init__()` method in Python classes?

• To define class variables

• To create a new instance of the class

• To initialize the attributes of an object

• To define class methods

19. What is the output of the following code snippet?

20. x = 10

    y = 5

    print(x > y and x < 20)

• True

• False

• 10

• 5

Which of the following is an immutable data type in Python?

• List

• Dictionary

• Set

• Tuple

Which of the following is the correct way to open a file in Python for reading?

• file = open("filename.txt", "r")

• file = open("filename.txt", "w")

• file = open("filename.txt", "a")

• file = open("filename.txt", "x")

What is the purpose of the range() function in Python?

• To generate a sequence of random numbers

• To iterate over a sequence of elements

• To perform mathematical calculations

• To convert data types

In probability theory, what does the term "independent events" mean?

• Events that have no relationship with each other

• Events that occur simultaneously

• Events that have a cause-and-effect relationship

• Events that have equal probabilities of occurring

What is the purpose of a scatter plot in data analysis?

• To visualize the distribution of a single variable

• To identify outliers in the dataset
  

• To visualize the relationship between two variables

• To compare the means of different groups