Let the ages be 2x, 3x, and 5x. 2x + 3x + 5x = 50 10x = 50 → x = 5. A = 2x = 10 years (youngest). Correct answer: A) 10 years
When analyzing customer buying behavior, which of the following metrics would be most critical in assessing customer loyalty and retention?
Which of the following statements about the mean, median, and mode is true when applied to a dataset with a skewed distribution?
Which of the following best describes a method to handle inconsistent data when integrating datasets from different sources?
In hypothesis testing, what does a low p-value (e.g., p < 0.05) suggest about the null hypothesis?
Which of the following sampling techniques is most suitable when the population is divided into distinct subgroups, and it is important to ensure each s...
Which of the following statements correctly identifies the components of time series data ?
Why is sampling an essential technique in data analysis?
Which of the following scenarios best exemplifies the use of semi-structured data in an organization?
A data analyst is tasked with evaluating customer feedback from a population of 1,000,000 survey responses. Why is sampling an essential technique in th...
Which of the following is the main characteristic that differentiates random sampling from non-random sampling techniques?
