What is the importance of assumptions in statistic in daily life?

What is the least and greatest number rounded to 675000000? What is the average peak flow for 13 year old? How can you caluculate p-value in ANOVA model? What is nominal cover in concrete? How many different 5-letter arrangements can be formed from the letters in the name CATHY if each letter is used only once in each arrangement? Two six sided dice are rolled what is the probabiliy for the sum to be greater than 4? What are the similarities between a line graph circle graph and bar graph? What is the probability of picking a diamond out of a 52 card deck of cards? When and where are averages used? In a line graph on which axis would you plot the manipulated value? What does the equation R squared equals 5E-05 mean? What is the main purpose of line graph? How long does a 5 year old shower head use in an average shower? What is the average weight of a 5 foot 12 year old boy? Why are horizontal bars used to show race results? What is union probability? What does hipicrit mean? How much time taken by man get discharge during the sex? When is it most appropriate to use a broken line graph? Is monthly rainfall a discrete variable?