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: [ 2.408 3.018 2.8738 3.283 3.133 ] while a sample of five 48-month fixed-rate auto loans had loan rates as follows: [ 4.0238A:Answer:Solution: a) null and alternative hypothesis: Ho: ...