Question 6: The following chart shows the selling price, in thousands of dollars, of houses sold last month in Corner Brook, Newfoundland. 1. How many homes were studied? 2. What is the class interval? 3. One hundred homes sold for less than what amount? 4. About 75 percent of the homes sold for less than what amount? 5. Estimate the number of homes in the $150000 up to $200000 class. 6. About how many homes sold for loss than $225000