Question
The average age of 'p' employees in an office is (p - 8)
years. When two managers aged 56 years and 40 years join the office, the average age of all individuals in the office increases by 2 years. Calculate the total number of employees in the office.Solution
ATQ, p × (p – 8) + 56 + 40 = (p + 2)(p – 8 + 2) Or, p2 – 8p + 96 = p2 + 2p – 6p – 12 Or, 96 + 12 = -4p + 8p Or, 4p = 108 Or, p = 27 Required number of employees = 27
Why is sampling a critical step in large-scale data analysis?
Which of the following is a distinguishing feature of Tableau when compared to Power BI?
Which machine learning model is most appropriate for detecting spam emails, considering its ability to handle high-dimensional data and probabilistic pr...
In the context of presenting data insights, which approach is most effective?
What is the difference between samples and populations in data analysis?
Which of the following is an example of moving average forecasting?
Which of the following methods is used to ensure stationarity in time series data, a critical prerequisite for ARIMA modeling?
Which of the following best describes the primary purpose of a data warehouse in analytics?
A company collects sales data from different regions, but the "Revenue" column uses inconsistent currency formats (USD, EUR, INR). What is the best appr...
Which of the following data collection methods is best suited for obtaining up-to-date information about consumer behavior on a website in real-time?
Relevant for Exams:
