Question
A company divides its employees into departments (e.g., HR, IT, Marketing) and then selects random samples from each department for a satisfaction survey. Which sampling technique is being used?
More Data Analytics Languages Questions
- Which of the following is a key difference between random sampling and non-random sampling?
- When using descriptive statistics, which measure is best for understanding data variability?
- In R, which operator is used for sequence?
- In the context of the data analysis process, what is the main purpose of the "modeling" stage?
- Which of the following transformations is most appropriate to bring all feature values into the range [0,1] for a machine learning model?
- During the data analysis process, which of the following steps is primarily focused on removing inaccuracies and ensuring the dataset's reliability?
- Which type of machine learning technique is best suited for supervised learning tasks?
- What is the primary objective of Exploratory Data Analysis (EDA) in a data analysis workflow?
- Which of the following best distinguishes random sampling from non-random sampling ?
- Which of the following techniques is considered the most secure method of user authentication in a highly sensitive environment?
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