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.

Transcribed Image Text:

3.79 4.033.923.87 3.86 3.93 3.873.69 3.99 3.88 3.91 3.8 3.85 3.8 3.65 4.15 3.983.82 4.083.84 3.95 4.033.96 3.69 3.97 4.083.86 3.823.83 4.19 3.49 3.493.75 3463.92 3.67 3.63 3.8 3.86 4.15 3.85 4.0 3.93 4.024.09