OD 11 is related to KH 15 in a certain way. In the same

When identifying business problems, what is the first step a data analyst should take to ensure clarity and effectiveness in solving the problem?

When using descriptive statistics, which measure is best for understanding data variability?

Consider the following Python code:

class Shape:

    def area(self):

        return 0

class Circle(Shape):

Which SOLID principle emphasizes that software entities should be open for extension but closed for modification?

Which sampling technique is most appropriate when the population is naturally divided into groups that differ significantly from each other?

Which of the following methods is most commonly used during data wrangling to handle missing values in a dataset?

Which of the following is a primary application of Natural Language Processing (NLP)?

Which normalization form eliminates transitive dependency in relational databases?

In a dataset, which measure indicates the spread of data around the mean?

Which of the following SQL queries will return the second highest salary from a table Employee with columns Name and Salary?