Q:Question:A loan officer compares the interest rates for 48-month fixed-rate auto loans and 48-month variable-rate auto loans. Two independent, random samples of auto loan rates are selected. A sample of eight 48-month fixed-rate auto loans had the following loan rates (all written as percentages): [ 8.33 9.24 9.27 8.81 7.55 7.13 7.72 7.73 ] while a sample of five 48-month variable-rate auto loans had loan rates as follows: [ 6.65 7.29