Please assist by providing brief answers to the following questions:
Q1. Explain the difference between data and information.
Q2. What is the difference between a population and a sample?
Q3. List the different types of charts available in Excel, and explain characteristics of data sets that make each chart most appropriate to use.
Q4. What does skewness measure? Interpret the value of the coefficient of skewness as obtained in Excel.
Q5. What is a proportion? Provide some practical examples where proportions are used in business.