Question: One effect of the great recession was to lower the interest rate on fixed-rate mortgages. A sample of 30-year fixed-rate mortgage rates taken from financial institutions in the Pacific Northwest resulted in the following:
a. Construct a histogram with eight classes beginning at 3.46.
b. Determine the proportion of 30-year fixed mortgage rates that are at least 3.76%.
c. Produce an ogive for the data.