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 five 48 month variable-rate auto loans had the following loan rates: 2.604 3.121 2.8764 3.288 3.211 while a sample of five 48 -month fixed-rate auto loans had loan rates as follows: 4.0208 3.841 4.3821 3.678 4A:Answer:Answer: (a). The null and alternative hypothesis: ...