25% of (?) + (1/4)of 5600 = 2500 – 20% of 1940
Which of the following best explains the role of an independent variable in data analysis?
Which of the following is the main characteristic that differentiates random sampling from non-random sampling techniques?
Which of the following is the most effective data collection method for gathering real-time data from a website or application?
Which of the following is the key difference between probability-based and non-probability-based sampling techniques?
When identifying business problems, what is the first step a data analyst should take to ensure clarity and effectiveness in solving the problem?
In hypothesis testing, a p-value of 0.03 indicates that:
Which of the following is an effective method for handling inconsistent data in a merged dataset?
Which data validation step is crucial to ensure that all entries in a customer email column are correctly formatted?
During the data analysis process, which of the following steps is primarily focused on removing inaccuracies and ensuring the dataset's reliability?
Which of the following is the primary reason why bias occurs in sampling?
