3 × 1 – 1 = 2 2 × 2 + 3 = 7 7 × 3 – 5 = 16 16 × 4 + 7 =71 71 × 5 – 9 = 346
In data cleaning, which technique is most effective in handling outliers in a dataset that could skew analysis?
What is the difference between samples and populations in data analysis?
Which of the following statements correctly differentiates between continuous and categorical data?
Which of the following methods is most commonly used during data wrangling to handle missing values in a dataset?
A company divides its employees into departments (e.g., HR, IT, Marketing) and then selects random samples from each department for a satisfaction surve...
In time series decomposition, which component is removed to achieve stationarity?
A company has a large dataset with a mix of numeric and categorical data. To ensure fair comparisons between variables, which data transformation techni...
Which of the following techniques is most effective for detecting fraud in online transactions?
In SQL, which type of join returns all records from the left table and the matched records from the right table, and fills in NULL values for non-matchi...
A data analyst is tasked with improving operational efficiency by examining employee performance metrics and identifying bottlenecks. Which of the follo...
