What kind of data would you plot on a bar graph?

Is time a continuous variable? What are the implications for choosing different confidence levels for variability in data mining? In a unimodal symmetrical distribution the mean is equal to? How many different three digit combinations can be made from numbers 0 1 2 3 4 5 6 7 8 9? How the beta of a portfolio can equal the market beta if 50 percent of the portfolio is invested in a security that has twice the amount of systematic risk as an average risky security? What are the uses of bar graphs? What is the correlation coefficient of -2? What is the volume of a six sided dice? What is the element of the sample space for a coin then rolling a die? What is the probability of a coin landing on its side? What set does -15 belong to? What is the approximate probability that a die with six sides that are each equally likely to appear will require more than 140 rolls for the total of all rolls to exceed 400? An ordinary six-sided dice is thrown what is the probability that the score is less than 3? Why are data tables useful to scientists? Why modified duration is a better measure than maturity when calculating the bonds sensitivity to changes in interest rate? How many license plates can be made using either two or three uppercase English letters followed by either two or three digits? What is the purpose of data marts? What is a collection of data stored in an orderly manner? Which of these is the best description of a random sample? What is 0.9 rounded to the nearest tenth?