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): [ 8.75 7.63 7.26 9.43 7.86 7.20 8.09 8.60 ] while a sample of five 48-month variable-rate auto loans had loan rates as follows: [ 7.60 7A:Answer:(a) & (b): and (c) Here we are checking if the val...